Home / 16,531.38-24,798.42-7,761.51

Finding the Fourth Proportional to 16,531.38, 24,798.42 and 7,761.51

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Solution

The fourth proportional to 16,531.38, 24,798.42 and 7,761.51 is: 11,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.38 : 24,798.42 = 7,761.51 : x
  2. Step 2: Convert to fraction form
    16,531.38/24,798.42 = 7,761.51/x
  3. Step 3: Cross multiply
    16,531.38x = 24,798.42 × 7,761.51
  4. Step 4: Simplify right side
    16,531.38x = 192,473,184.81
  5. Step 5: Solve for x
    x = 192,473,184.81/16,531.38
  6. Step 6: Final answer
    x = 11,642.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.