Home / 15,150.96-22,726.56-5,287.68

Finding the Fourth Proportional to 15,150.96, 22,726.56 and 5,287.68

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Solution

The fourth proportional to 15,150.96, 22,726.56 and 5,287.68 is: 7,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.96 : 22,726.56 = 5,287.68 : x
  2. Step 2: Convert to fraction form
    15,150.96/22,726.56 = 5,287.68/x
  3. Step 3: Cross multiply
    15,150.96x = 22,726.56 × 5,287.68
  4. Step 4: Simplify right side
    15,150.96x = 120,170,776.78
  5. Step 5: Solve for x
    x = 120,170,776.78/15,150.96
  6. Step 6: Final answer
    x = 7,931.56

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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.