Home / 15,142.98-22,718.14-4,754.73

Finding the Fourth Proportional to 15,142.98, 22,718.14 and 4,754.73

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Solution

The fourth proportional to 15,142.98, 22,718.14 and 4,754.73 is: 7,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.98 : 22,718.14 = 4,754.73 : x
  2. Step 2: Convert to fraction form
    15,142.98/22,718.14 = 4,754.73/x
  3. Step 3: Cross multiply
    15,142.98x = 22,718.14 × 4,754.73
  4. Step 4: Simplify right side
    15,142.98x = 108,018,695.11
  5. Step 5: Solve for x
    x = 108,018,695.11/15,142.98
  6. Step 6: Final answer
    x = 7,133.25

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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.