Home / 22,354.18-30,849.28-12,281.99

Finding the Fourth Proportional to 22,354.18, 30,849.28 and 12,281.99

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Solution

The fourth proportional to 22,354.18, 30,849.28 and 12,281.99 is: 16,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.18 : 30,849.28 = 12,281.99 : x
  2. Step 2: Convert to fraction form
    22,354.18/30,849.28 = 12,281.99/x
  3. Step 3: Cross multiply
    22,354.18x = 30,849.28 × 12,281.99
  4. Step 4: Simplify right side
    22,354.18x = 378,890,409.57
  5. Step 5: Solve for x
    x = 378,890,409.57/22,354.18
  6. Step 6: Final answer
    x = 16,949.42

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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.