Home / 15,422.16-23,128.46-5,560.16

Finding the Fourth Proportional to 15,422.16, 23,128.46 and 5,560.16

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Solution

The fourth proportional to 15,422.16, 23,128.46 and 5,560.16 is: 8,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.16 : 23,128.46 = 5,560.16 : x
  2. Step 2: Convert to fraction form
    15,422.16/23,128.46 = 5,560.16/x
  3. Step 3: Cross multiply
    15,422.16x = 23,128.46 × 5,560.16
  4. Step 4: Simplify right side
    15,422.16x = 128,597,910.35
  5. Step 5: Solve for x
    x = 128,597,910.35/15,422.16
  6. Step 6: Final answer
    x = 8,338.51

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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.