Home / 25,042.87-34,559.22-13,557.90

Finding the Fourth Proportional to 25,042.87, 34,559.22 and 13,557.90

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Solution

The fourth proportional to 25,042.87, 34,559.22 and 13,557.90 is: 18,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,042.87 : 34,559.22 = 13,557.90 : x
  2. Step 2: Convert to fraction form
    25,042.87/34,559.22 = 13,557.90/x
  3. Step 3: Cross multiply
    25,042.87x = 34,559.22 × 13,557.90
  4. Step 4: Simplify right side
    25,042.87x = 468,550,470.11
  5. Step 5: Solve for x
    x = 468,550,470.11/25,042.87
  6. Step 6: Final answer
    x = 18,709.93

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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.