Home / 22,734.80-31,337.16-18,536.40

Finding the Fourth Proportional to 22,734.80, 31,337.16 and 18,536.40

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Solution

The fourth proportional to 22,734.80, 31,337.16 and 18,536.40 is: 25,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.80 : 31,337.16 = 18,536.40 : x
  2. Step 2: Convert to fraction form
    22,734.80/31,337.16 = 18,536.40/x
  3. Step 3: Cross multiply
    22,734.80x = 31,337.16 × 18,536.40
  4. Step 4: Simplify right side
    22,734.80x = 580,878,132.62
  5. Step 5: Solve for x
    x = 580,878,132.62/22,734.80
  6. Step 6: Final answer
    x = 25,550.18

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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.