Home / 22,510.98-31,065.66-12,440.52

Finding the Fourth Proportional to 22,510.98, 31,065.66 and 12,440.52

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Solution

The fourth proportional to 22,510.98, 31,065.66 and 12,440.52 is: 17,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.98 : 31,065.66 = 12,440.52 : x
  2. Step 2: Convert to fraction form
    22,510.98/31,065.66 = 12,440.52/x
  3. Step 3: Cross multiply
    22,510.98x = 31,065.66 × 12,440.52
  4. Step 4: Simplify right side
    22,510.98x = 386,472,964.54
  5. Step 5: Solve for x
    x = 386,472,964.54/22,510.98
  6. Step 6: Final answer
    x = 17,168.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.