Home / 13,565.52-20,348.62-4,331.52

Finding the Fourth Proportional to 13,565.52, 20,348.62 and 4,331.52

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Solution

The fourth proportional to 13,565.52, 20,348.62 and 4,331.52 is: 6,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.52 : 20,348.62 = 4,331.52 : x
  2. Step 2: Convert to fraction form
    13,565.52/20,348.62 = 4,331.52/x
  3. Step 3: Cross multiply
    13,565.52x = 20,348.62 × 4,331.52
  4. Step 4: Simplify right side
    13,565.52x = 88,140,454.50
  5. Step 5: Solve for x
    x = 88,140,454.50/13,565.52
  6. Step 6: Final answer
    x = 6,497.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.