Home / 23,430.76-32,343.84-13,997.56

Finding the Fourth Proportional to 23,430.76, 32,343.84 and 13,997.56

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Solution

The fourth proportional to 23,430.76, 32,343.84 and 13,997.56 is: 19,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.76 : 32,343.84 = 13,997.56 : x
  2. Step 2: Convert to fraction form
    23,430.76/32,343.84 = 13,997.56/x
  3. Step 3: Cross multiply
    23,430.76x = 32,343.84 × 13,997.56
  4. Step 4: Simplify right side
    23,430.76x = 452,734,841.03
  5. Step 5: Solve for x
    x = 452,734,841.03/23,430.76
  6. Step 6: Final answer
    x = 19,322.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.