Home / 17,702.95-24,425.13-10,988.86

Finding the Fourth Proportional to 17,702.95, 24,425.13 and 10,988.86

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Solution

The fourth proportional to 17,702.95, 24,425.13 and 10,988.86 is: 15,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.95 : 24,425.13 = 10,988.86 : x
  2. Step 2: Convert to fraction form
    17,702.95/24,425.13 = 10,988.86/x
  3. Step 3: Cross multiply
    17,702.95x = 24,425.13 × 10,988.86
  4. Step 4: Simplify right side
    17,702.95x = 268,404,334.05
  5. Step 5: Solve for x
    x = 268,404,334.05/17,702.95
  6. Step 6: Final answer
    x = 15,161.56

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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.