Home / 16,899.18-23,320.92-9,447.18

Finding the Fourth Proportional to 16,899.18, 23,320.92 and 9,447.18

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Solution

The fourth proportional to 16,899.18, 23,320.92 and 9,447.18 is: 13,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.18 : 23,320.92 = 9,447.18 : x
  2. Step 2: Convert to fraction form
    16,899.18/23,320.92 = 9,447.18/x
  3. Step 3: Cross multiply
    16,899.18x = 23,320.92 × 9,447.18
  4. Step 4: Simplify right side
    16,899.18x = 220,316,929.01
  5. Step 5: Solve for x
    x = 220,316,929.01/16,899.18
  6. Step 6: Final answer
    x = 13,037.14

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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.