Home / 25,125.24-37,686.90-10,138.84

Finding the Fourth Proportional to 25,125.24, 37,686.90 and 10,138.84

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Solution

The fourth proportional to 25,125.24, 37,686.90 and 10,138.84 is: 15,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.24 : 37,686.90 = 10,138.84 : x
  2. Step 2: Convert to fraction form
    25,125.24/37,686.90 = 10,138.84/x
  3. Step 3: Cross multiply
    25,125.24x = 37,686.90 × 10,138.84
  4. Step 4: Simplify right side
    25,125.24x = 382,101,449.20
  5. Step 5: Solve for x
    x = 382,101,449.20/25,125.24
  6. Step 6: Final answer
    x = 15,207.87

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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.