Home / 25,461.12-38,202.11-11,411.70

Finding the Fourth Proportional to 25,461.12, 38,202.11 and 11,411.70

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Solution

The fourth proportional to 25,461.12, 38,202.11 and 11,411.70 is: 17,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.12 : 38,202.11 = 11,411.70 : x
  2. Step 2: Convert to fraction form
    25,461.12/38,202.11 = 11,411.70/x
  3. Step 3: Cross multiply
    25,461.12x = 38,202.11 × 11,411.70
  4. Step 4: Simplify right side
    25,461.12x = 435,950,882.79
  5. Step 5: Solve for x
    x = 435,950,882.79/25,461.12
  6. Step 6: Final answer
    x = 17,122.22

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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.