Home / 15,146.55-22,718.75-4,761.27

Finding the Fourth Proportional to 15,146.55, 22,718.75 and 4,761.27

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Solution

The fourth proportional to 15,146.55, 22,718.75 and 4,761.27 is: 7,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.55 : 22,718.75 = 4,761.27 : x
  2. Step 2: Convert to fraction form
    15,146.55/22,718.75 = 4,761.27/x
  3. Step 3: Cross multiply
    15,146.55x = 22,718.75 × 4,761.27
  4. Step 4: Simplify right side
    15,146.55x = 108,170,079.01
  5. Step 5: Solve for x
    x = 108,170,079.01/15,146.55
  6. Step 6: Final answer
    x = 7,141.57

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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.