Home / 25,581.12-38,380.22-11,347.63

Finding the Fourth Proportional to 25,581.12, 38,380.22 and 11,347.63

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Solution

The fourth proportional to 25,581.12, 38,380.22 and 11,347.63 is: 17,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.12 : 38,380.22 = 11,347.63 : x
  2. Step 2: Convert to fraction form
    25,581.12/38,380.22 = 11,347.63/x
  3. Step 3: Cross multiply
    25,581.12x = 38,380.22 × 11,347.63
  4. Step 4: Simplify right side
    25,581.12x = 435,524,493.32
  5. Step 5: Solve for x
    x = 435,524,493.32/25,581.12
  6. Step 6: Final answer
    x = 17,025.23

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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.