Home / 14,572.12-20,117.82-9,618.52

Finding the Fourth Proportional to 14,572.12, 20,117.82 and 9,618.52

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Solution

The fourth proportional to 14,572.12, 20,117.82 and 9,618.52 is: 13,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.12 : 20,117.82 = 9,618.52 : x
  2. Step 2: Convert to fraction form
    14,572.12/20,117.82 = 9,618.52/x
  3. Step 3: Cross multiply
    14,572.12x = 20,117.82 × 9,618.52
  4. Step 4: Simplify right side
    14,572.12x = 193,503,654.03
  5. Step 5: Solve for x
    x = 193,503,654.03/14,572.12
  6. Step 6: Final answer
    x = 13,279.03

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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.