Home / 17,888.28-24,684.66-9,930.12

Finding the Fourth Proportional to 17,888.28, 24,684.66 and 9,930.12

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Solution

The fourth proportional to 17,888.28, 24,684.66 and 9,930.12 is: 13,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.28 : 24,684.66 = 9,930.12 : x
  2. Step 2: Convert to fraction form
    17,888.28/24,684.66 = 9,930.12/x
  3. Step 3: Cross multiply
    17,888.28x = 24,684.66 × 9,930.12
  4. Step 4: Simplify right side
    17,888.28x = 245,121,635.96
  5. Step 5: Solve for x
    x = 245,121,635.96/17,888.28
  6. Step 6: Final answer
    x = 13,702.92

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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.