Home / 15,155.87-22,723.52-5,289.75

Finding the Fourth Proportional to 15,155.87, 22,723.52 and 5,289.75

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Solution

The fourth proportional to 15,155.87, 22,723.52 and 5,289.75 is: 7,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.87 : 22,723.52 = 5,289.75 : x
  2. Step 2: Convert to fraction form
    15,155.87/22,723.52 = 5,289.75/x
  3. Step 3: Cross multiply
    15,155.87x = 22,723.52 × 5,289.75
  4. Step 4: Simplify right side
    15,155.87x = 120,201,713.47
  5. Step 5: Solve for x
    x = 120,201,713.47/15,155.87
  6. Step 6: Final answer
    x = 7,931.04

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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.