Home / 16,489.51-22,755.28-8,935.66

Finding the Fourth Proportional to 16,489.51, 22,755.28 and 8,935.66

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Solution

The fourth proportional to 16,489.51, 22,755.28 and 8,935.66 is: 12,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.51 : 22,755.28 = 8,935.66 : x
  2. Step 2: Convert to fraction form
    16,489.51/22,755.28 = 8,935.66/x
  3. Step 3: Cross multiply
    16,489.51x = 22,755.28 × 8,935.66
  4. Step 4: Simplify right side
    16,489.51x = 203,333,445.28
  5. Step 5: Solve for x
    x = 203,333,445.28/16,489.51
  6. Step 6: Final answer
    x = 12,331.08

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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.