Home / 16,020.99-23,888.12-15,999.12

Finding the Fourth Proportional to 16,020.99, 23,888.12 and 15,999.12

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Solution

The fourth proportional to 16,020.99, 23,888.12 and 15,999.12 is: 23,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.99 : 23,888.12 = 15,999.12 : x
  2. Step 2: Convert to fraction form
    16,020.99/23,888.12 = 15,999.12/x
  3. Step 3: Cross multiply
    16,020.99x = 23,888.12 × 15,999.12
  4. Step 4: Simplify right side
    16,020.99x = 382,188,818.46
  5. Step 5: Solve for x
    x = 382,188,818.46/16,020.99
  6. Step 6: Final answer
    x = 23,855.51

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