Home / 23,470.85-34,996.89-20,862.84

Finding the Fourth Proportional to 23,470.85, 34,996.89 and 20,862.84

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Solution

The fourth proportional to 23,470.85, 34,996.89 and 20,862.84 is: 31,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,470.85 : 34,996.89 = 20,862.84 : x
  2. Step 2: Convert to fraction form
    23,470.85/34,996.89 = 20,862.84/x
  3. Step 3: Cross multiply
    23,470.85x = 34,996.89 × 20,862.84
  4. Step 4: Simplify right side
    23,470.85x = 730,134,516.57
  5. Step 5: Solve for x
    x = 730,134,516.57/23,470.85
  6. Step 6: Final answer
    x = 31,108.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.