Home / 22,718.10-34,113.60-15,355.20

Finding the Fourth Proportional to 22,718.10, 34,113.60 and 15,355.20

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Solution

The fourth proportional to 22,718.10, 34,113.60 and 15,355.20 is: 23,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.10 : 34,113.60 = 15,355.20 : x
  2. Step 2: Convert to fraction form
    22,718.10/34,113.60 = 15,355.20/x
  3. Step 3: Cross multiply
    22,718.10x = 34,113.60 × 15,355.20
  4. Step 4: Simplify right side
    22,718.10x = 523,821,150.72
  5. Step 5: Solve for x
    x = 523,821,150.72/22,718.10
  6. Step 6: Final answer
    x = 23,057.44

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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.