Home / 20,562.53-28,432.23-20,229.08

Finding the Fourth Proportional to 20,562.53, 28,432.23 and 20,229.08

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Solution

The fourth proportional to 20,562.53, 28,432.23 and 20,229.08 is: 27,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.53 : 28,432.23 = 20,229.08 : x
  2. Step 2: Convert to fraction form
    20,562.53/28,432.23 = 20,229.08/x
  3. Step 3: Cross multiply
    20,562.53x = 28,432.23 × 20,229.08
  4. Step 4: Simplify right side
    20,562.53x = 575,157,855.25
  5. Step 5: Solve for x
    x = 575,157,855.25/20,562.53
  6. Step 6: Final answer
    x = 27,971.16

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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.