Home / 22,613.12-34,124.90-21,859.39

Finding the Fourth Proportional to 22,613.12, 34,124.90 and 21,859.39

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Solution

The fourth proportional to 22,613.12, 34,124.90 and 21,859.39 is: 32,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.12 : 34,124.90 = 21,859.39 : x
  2. Step 2: Convert to fraction form
    22,613.12/34,124.90 = 21,859.39/x
  3. Step 3: Cross multiply
    22,613.12x = 34,124.90 × 21,859.39
  4. Step 4: Simplify right side
    22,613.12x = 745,949,527.15
  5. Step 5: Solve for x
    x = 745,949,527.15/22,613.12
  6. Step 6: Final answer
    x = 32,987.46

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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.