Home / 25,278.16-34,882.20-13,947.04

Finding the Fourth Proportional to 25,278.16, 34,882.20 and 13,947.04

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Solution

The fourth proportional to 25,278.16, 34,882.20 and 13,947.04 is: 19,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.16 : 34,882.20 = 13,947.04 : x
  2. Step 2: Convert to fraction form
    25,278.16/34,882.20 = 13,947.04/x
  3. Step 3: Cross multiply
    25,278.16x = 34,882.20 × 13,947.04
  4. Step 4: Simplify right side
    25,278.16x = 486,503,438.69
  5. Step 5: Solve for x
    x = 486,503,438.69/25,278.16
  6. Step 6: Final answer
    x = 19,246.00

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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.