Home / 15,151.19-22,728.68-5,157.61

Finding the Fourth Proportional to 15,151.19, 22,728.68 and 5,157.61

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Solution

The fourth proportional to 15,151.19, 22,728.68 and 5,157.61 is: 7,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.19 : 22,728.68 = 5,157.61 : x
  2. Step 2: Convert to fraction form
    15,151.19/22,728.68 = 5,157.61/x
  3. Step 3: Cross multiply
    15,151.19x = 22,728.68 × 5,157.61
  4. Step 4: Simplify right side
    15,151.19x = 117,225,667.25
  5. Step 5: Solve for x
    x = 117,225,667.25/15,151.19
  6. Step 6: Final answer
    x = 7,737.06

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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.