Home / 13,780.16-20,672.90-5,882.56

Finding the Fourth Proportional to 13,780.16, 20,672.90 and 5,882.56

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Solution

The fourth proportional to 13,780.16, 20,672.90 and 5,882.56 is: 8,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780.16 : 20,672.90 = 5,882.56 : x
  2. Step 2: Convert to fraction form
    13,780.16/20,672.90 = 5,882.56/x
  3. Step 3: Cross multiply
    13,780.16x = 20,672.90 × 5,882.56
  4. Step 4: Simplify right side
    13,780.16x = 121,609,574.62
  5. Step 5: Solve for x
    x = 121,609,574.62/13,780.16
  6. Step 6: Final answer
    x = 8,824.98

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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.