Home / 25,113.60-34,657.11-13,782.92

Finding the Fourth Proportional to 25,113.60, 34,657.11 and 13,782.92

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Solution

The fourth proportional to 25,113.60, 34,657.11 and 13,782.92 is: 19,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,113.60 : 34,657.11 = 13,782.92 : x
  2. Step 2: Convert to fraction form
    25,113.60/34,657.11 = 13,782.92/x
  3. Step 3: Cross multiply
    25,113.60x = 34,657.11 × 13,782.92
  4. Step 4: Simplify right side
    25,113.60x = 477,676,174.56
  5. Step 5: Solve for x
    x = 477,676,174.56/25,113.60
  6. Step 6: Final answer
    x = 19,020.62

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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.