Home / 16,331.70-22,505.49-11,602.74

Finding the Fourth Proportional to 16,331.70, 22,505.49 and 11,602.74

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Solution

The fourth proportional to 16,331.70, 22,505.49 and 11,602.74 is: 15,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.70 : 22,505.49 = 11,602.74 : x
  2. Step 2: Convert to fraction form
    16,331.70/22,505.49 = 11,602.74/x
  3. Step 3: Cross multiply
    16,331.70x = 22,505.49 × 11,602.74
  4. Step 4: Simplify right side
    16,331.70x = 261,125,349.04
  5. Step 5: Solve for x
    x = 261,125,349.04/16,331.70
  6. Step 6: Final answer
    x = 15,988.87

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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.