Home / 17,915.90-24,722.76-11,201.18

Finding the Fourth Proportional to 17,915.90, 24,722.76 and 11,201.18

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Solution

The fourth proportional to 17,915.90, 24,722.76 and 11,201.18 is: 15,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.90 : 24,722.76 = 11,201.18 : x
  2. Step 2: Convert to fraction form
    17,915.90/24,722.76 = 11,201.18/x
  3. Step 3: Cross multiply
    17,915.90x = 24,722.76 × 11,201.18
  4. Step 4: Simplify right side
    17,915.90x = 276,924,084.86
  5. Step 5: Solve for x
    x = 276,924,084.86/17,915.90
  6. Step 6: Final answer
    x = 15,456.89

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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.