Home / 22,044.38-30,421.26-12,612.96

Finding the Fourth Proportional to 22,044.38, 30,421.26 and 12,612.96

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Solution

The fourth proportional to 22,044.38, 30,421.26 and 12,612.96 is: 17,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.38 : 30,421.26 = 12,612.96 : x
  2. Step 2: Convert to fraction form
    22,044.38/30,421.26 = 12,612.96/x
  3. Step 3: Cross multiply
    22,044.38x = 30,421.26 × 12,612.96
  4. Step 4: Simplify right side
    22,044.38x = 383,702,135.53
  5. Step 5: Solve for x
    x = 383,702,135.53/22,044.38
  6. Step 6: Final answer
    x = 17,405.90

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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.