Home / 22,833.45-31,510.08-12,761.88

Finding the Fourth Proportional to 22,833.45, 31,510.08 and 12,761.88

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Solution

The fourth proportional to 22,833.45, 31,510.08 and 12,761.88 is: 17,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,833.45 : 31,510.08 = 12,761.88 : x
  2. Step 2: Convert to fraction form
    22,833.45/31,510.08 = 12,761.88/x
  3. Step 3: Cross multiply
    22,833.45x = 31,510.08 × 12,761.88
  4. Step 4: Simplify right side
    22,833.45x = 402,127,859.75
  5. Step 5: Solve for x
    x = 402,127,859.75/22,833.45
  6. Step 6: Final answer
    x = 17,611.35

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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.