Home / 15,013.68-22,520.52-5,152.56

Finding the Fourth Proportional to 15,013.68, 22,520.52 and 5,152.56

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Solution

The fourth proportional to 15,013.68, 22,520.52 and 5,152.56 is: 7,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.68 : 22,520.52 = 5,152.56 : x
  2. Step 2: Convert to fraction form
    15,013.68/22,520.52 = 5,152.56/x
  3. Step 3: Cross multiply
    15,013.68x = 22,520.52 × 5,152.56
  4. Step 4: Simplify right side
    15,013.68x = 116,038,330.53
  5. Step 5: Solve for x
    x = 116,038,330.53/15,013.68
  6. Step 6: Final answer
    x = 7,728.84

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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.