Home / 25,267.11-34,882.28-15,197.80

Finding the Fourth Proportional to 25,267.11, 34,882.28 and 15,197.80

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Solution

The fourth proportional to 25,267.11, 34,882.28 and 15,197.80 is: 20,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,267.11 : 34,882.28 = 15,197.80 : x
  2. Step 2: Convert to fraction form
    25,267.11/34,882.28 = 15,197.80/x
  3. Step 3: Cross multiply
    25,267.11x = 34,882.28 × 15,197.80
  4. Step 4: Simplify right side
    25,267.11x = 530,133,914.98
  5. Step 5: Solve for x
    x = 530,133,914.98/25,267.11
  6. Step 6: Final answer
    x = 20,981.19

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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.