Home / 28,816.53-43,224.84-18,999.66

Finding the Fourth Proportional to 28,816.53, 43,224.84 and 18,999.66

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Solution

The fourth proportional to 28,816.53, 43,224.84 and 18,999.66 is: 28,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.53 : 43,224.84 = 18,999.66 : x
  2. Step 2: Convert to fraction form
    28,816.53/43,224.84 = 18,999.66/x
  3. Step 3: Cross multiply
    28,816.53x = 43,224.84 × 18,999.66
  4. Step 4: Simplify right side
    28,816.53x = 821,257,263.55
  5. Step 5: Solve for x
    x = 821,257,263.55/28,816.53
  6. Step 6: Final answer
    x = 28,499.52

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.