Home / 13,357.92-20,030.40-4,589.76

Finding the Fourth Proportional to 13,357.92, 20,030.40 and 4,589.76

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Solution

The fourth proportional to 13,357.92, 20,030.40 and 4,589.76 is: 6,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.92 : 20,030.40 = 4,589.76 : x
  2. Step 2: Convert to fraction form
    13,357.92/20,030.40 = 4,589.76/x
  3. Step 3: Cross multiply
    13,357.92x = 20,030.40 × 4,589.76
  4. Step 4: Simplify right side
    13,357.92x = 91,934,728.70
  5. Step 5: Solve for x
    x = 91,934,728.70/13,357.92
  6. Step 6: Final answer
    x = 6,882.41

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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.