Home / 25,517.40-38,280.21-8,882.16

Finding the Fourth Proportional to 25,517.40, 38,280.21 and 8,882.16

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Solution

The fourth proportional to 25,517.40, 38,280.21 and 8,882.16 is: 13,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.40 : 38,280.21 = 8,882.16 : x
  2. Step 2: Convert to fraction form
    25,517.40/38,280.21 = 8,882.16/x
  3. Step 3: Cross multiply
    25,517.40x = 38,280.21 × 8,882.16
  4. Step 4: Simplify right side
    25,517.40x = 340,011,045.75
  5. Step 5: Solve for x
    x = 340,011,045.75/25,517.40
  6. Step 6: Final answer
    x = 13,324.67

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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.