Home / 20,616.56-28,432.08-17,436.52

Finding the Fourth Proportional to 20,616.56, 28,432.08 and 17,436.52

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Solution

The fourth proportional to 20,616.56, 28,432.08 and 17,436.52 is: 24,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.56 : 28,432.08 = 17,436.52 : x
  2. Step 2: Convert to fraction form
    20,616.56/28,432.08 = 17,436.52/x
  3. Step 3: Cross multiply
    20,616.56x = 28,432.08 × 17,436.52
  4. Step 4: Simplify right side
    20,616.56x = 495,756,531.56
  5. Step 5: Solve for x
    x = 495,756,531.56/20,616.56
  6. Step 6: Final answer
    x = 24,046.52

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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.