Home / 23,138.06-31,930.40-12,527.66

Finding the Fourth Proportional to 23,138.06, 31,930.40 and 12,527.66

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Solution

The fourth proportional to 23,138.06, 31,930.40 and 12,527.66 is: 17,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.06 : 31,930.40 = 12,527.66 : x
  2. Step 2: Convert to fraction form
    23,138.06/31,930.40 = 12,527.66/x
  3. Step 3: Cross multiply
    23,138.06x = 31,930.40 × 12,527.66
  4. Step 4: Simplify right side
    23,138.06x = 400,013,306.01
  5. Step 5: Solve for x
    x = 400,013,306.01/23,138.06
  6. Step 6: Final answer
    x = 17,288.11

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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.