Home / 22,207.74-30,604.50-15,909.18

Finding the Fourth Proportional to 22,207.74, 30,604.50 and 15,909.18

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Solution

The fourth proportional to 22,207.74, 30,604.50 and 15,909.18 is: 21,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.74 : 30,604.50 = 15,909.18 : x
  2. Step 2: Convert to fraction form
    22,207.74/30,604.50 = 15,909.18/x
  3. Step 3: Cross multiply
    22,207.74x = 30,604.50 × 15,909.18
  4. Step 4: Simplify right side
    22,207.74x = 486,892,499.31
  5. Step 5: Solve for x
    x = 486,892,499.31/22,207.74
  6. Step 6: Final answer
    x = 21,924.45

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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.