Home / 23,853.13-35,951.14-20,561.11

Finding the Fourth Proportional to 23,853.13, 35,951.14 and 20,561.11

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Solution

The fourth proportional to 23,853.13, 35,951.14 and 20,561.11 is: 30,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,853.13 : 35,951.14 = 20,561.11 : x
  2. Step 2: Convert to fraction form
    23,853.13/35,951.14 = 20,561.11/x
  3. Step 3: Cross multiply
    23,853.13x = 35,951.14 × 20,561.11
  4. Step 4: Simplify right side
    23,853.13x = 739,195,385.95
  5. Step 5: Solve for x
    x = 739,195,385.95/23,853.13
  6. Step 6: Final answer
    x = 30,989.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.