Home / 20,532.50-28,333.22-11,577.14

Finding the Fourth Proportional to 20,532.50, 28,333.22 and 11,577.14

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Solution

The fourth proportional to 20,532.50, 28,333.22 and 11,577.14 is: 15,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.50 : 28,333.22 = 11,577.14 : x
  2. Step 2: Convert to fraction form
    20,532.50/28,333.22 = 11,577.14/x
  3. Step 3: Cross multiply
    20,532.50x = 28,333.22 × 11,577.14
  4. Step 4: Simplify right side
    20,532.50x = 328,017,654.59
  5. Step 5: Solve for x
    x = 328,017,654.59/20,532.50
  6. Step 6: Final answer
    x = 15,975.53

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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.