Home / 16,502.18-22,755.66-12,478.28

Finding the Fourth Proportional to 16,502.18, 22,755.66 and 12,478.28

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Solution

The fourth proportional to 16,502.18, 22,755.66 and 12,478.28 is: 17,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,502.18 : 22,755.66 = 12,478.28 : x
  2. Step 2: Convert to fraction form
    16,502.18/22,755.66 = 12,478.28/x
  3. Step 3: Cross multiply
    16,502.18x = 22,755.66 × 12,478.28
  4. Step 4: Simplify right side
    16,502.18x = 283,951,497.06
  5. Step 5: Solve for x
    x = 283,951,497.06/16,502.18
  6. Step 6: Final answer
    x = 17,206.91

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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.