Home / 17,915.04-24,722.33-9,957.20

Finding the Fourth Proportional to 17,915.04, 24,722.33 and 9,957.20

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Solution

The fourth proportional to 17,915.04, 24,722.33 and 9,957.20 is: 13,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.04 : 24,722.33 = 9,957.20 : x
  2. Step 2: Convert to fraction form
    17,915.04/24,722.33 = 9,957.20/x
  3. Step 3: Cross multiply
    17,915.04x = 24,722.33 × 9,957.20
  4. Step 4: Simplify right side
    17,915.04x = 246,165,010.88
  5. Step 5: Solve for x
    x = 246,165,010.88/17,915.04
  6. Step 6: Final answer
    x = 13,740.69

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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.