Home / 17,899.91-24,701.88-9,942.87

Finding the Fourth Proportional to 17,899.91, 24,701.88 and 9,942.87

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Solution

The fourth proportional to 17,899.91, 24,701.88 and 9,942.87 is: 13,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.91 : 24,701.88 = 9,942.87 : x
  2. Step 2: Convert to fraction form
    17,899.91/24,701.88 = 9,942.87/x
  3. Step 3: Cross multiply
    17,899.91x = 24,701.88 × 9,942.87
  4. Step 4: Simplify right side
    17,899.91x = 245,607,531.88
  5. Step 5: Solve for x
    x = 245,607,531.88/17,899.91
  6. Step 6: Final answer
    x = 13,721.16

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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.