Home / 15,760.41-23,642.12-5,228.20

Finding the Fourth Proportional to 15,760.41, 23,642.12 and 5,228.20

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Solution

The fourth proportional to 15,760.41, 23,642.12 and 5,228.20 is: 7,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.41 : 23,642.12 = 5,228.20 : x
  2. Step 2: Convert to fraction form
    15,760.41/23,642.12 = 5,228.20/x
  3. Step 3: Cross multiply
    15,760.41x = 23,642.12 × 5,228.20
  4. Step 4: Simplify right side
    15,760.41x = 123,605,731.78
  5. Step 5: Solve for x
    x = 123,605,731.78/15,760.41
  6. Step 6: Final answer
    x = 7,842.80

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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.