Home / 23,711.22-35,689.10-20,853.54

Finding the Fourth Proportional to 23,711.22, 35,689.10 and 20,853.54

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Solution

The fourth proportional to 23,711.22, 35,689.10 and 20,853.54 is: 31,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,711.22 : 35,689.10 = 20,853.54 : x
  2. Step 2: Convert to fraction form
    23,711.22/35,689.10 = 20,853.54/x
  3. Step 3: Cross multiply
    23,711.22x = 35,689.10 × 20,853.54
  4. Step 4: Simplify right side
    23,711.22x = 744,243,970.15
  5. Step 5: Solve for x
    x = 744,243,970.15/23,711.22
  6. Step 6: Final answer
    x = 31,387.84

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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.