Home / 25,201.80-34,763.85-15,124.46

Finding the Fourth Proportional to 25,201.80, 34,763.85 and 15,124.46

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Solution

The fourth proportional to 25,201.80, 34,763.85 and 15,124.46 is: 20,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.80 : 34,763.85 = 15,124.46 : x
  2. Step 2: Convert to fraction form
    25,201.80/34,763.85 = 15,124.46/x
  3. Step 3: Cross multiply
    25,201.80x = 34,763.85 × 15,124.46
  4. Step 4: Simplify right side
    25,201.80x = 525,784,284.95
  5. Step 5: Solve for x
    x = 525,784,284.95/25,201.80
  6. Step 6: Final answer
    x = 20,862.97

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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.