Home / 42,652.85-63,990.60-14,572.85

Finding the Fourth Proportional to 42,652.85, 63,990.60 and 14,572.85

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Solution

The fourth proportional to 42,652.85, 63,990.60 and 14,572.85 is: 21,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,652.85 : 63,990.60 = 14,572.85 : x
  2. Step 2: Convert to fraction form
    42,652.85/63,990.60 = 14,572.85/x
  3. Step 3: Cross multiply
    42,652.85x = 63,990.60 × 14,572.85
  4. Step 4: Simplify right side
    42,652.85x = 932,525,095.26
  5. Step 5: Solve for x
    x = 932,525,095.26/42,652.85
  6. Step 6: Final answer
    x = 21,863.14

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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.