Home / 22,986.31-31,734.41-15,042.40

Finding the Fourth Proportional to 22,986.31, 31,734.41 and 15,042.40

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Solution

The fourth proportional to 22,986.31, 31,734.41 and 15,042.40 is: 20,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.31 : 31,734.41 = 15,042.40 : x
  2. Step 2: Convert to fraction form
    22,986.31/31,734.41 = 15,042.40/x
  3. Step 3: Cross multiply
    22,986.31x = 31,734.41 × 15,042.40
  4. Step 4: Simplify right side
    22,986.31x = 477,361,688.98
  5. Step 5: Solve for x
    x = 477,361,688.98/22,986.31
  6. Step 6: Final answer
    x = 20,767.22

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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.