Home / 17,515.18-24,171.64-9,962.20

Finding the Fourth Proportional to 17,515.18, 24,171.64 and 9,962.20

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Solution

The fourth proportional to 17,515.18, 24,171.64 and 9,962.20 is: 13,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.18 : 24,171.64 = 9,962.20 : x
  2. Step 2: Convert to fraction form
    17,515.18/24,171.64 = 9,962.20/x
  3. Step 3: Cross multiply
    17,515.18x = 24,171.64 × 9,962.20
  4. Step 4: Simplify right side
    17,515.18x = 240,802,712.01
  5. Step 5: Solve for x
    x = 240,802,712.01/17,515.18
  6. Step 6: Final answer
    x = 13,748.23

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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.