Home / 25,158.12-37,745.40-12,008.76

Finding the Fourth Proportional to 25,158.12, 37,745.40 and 12,008.76

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Solution

The fourth proportional to 25,158.12, 37,745.40 and 12,008.76 is: 18,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.12 : 37,745.40 = 12,008.76 : x
  2. Step 2: Convert to fraction form
    25,158.12/37,745.40 = 12,008.76/x
  3. Step 3: Cross multiply
    25,158.12x = 37,745.40 × 12,008.76
  4. Step 4: Simplify right side
    25,158.12x = 453,275,449.70
  5. Step 5: Solve for x
    x = 453,275,449.70/25,158.12
  6. Step 6: Final answer
    x = 18,017.06

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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.