Home / 22,114.85-30,518.20-12,554.66

Finding the Fourth Proportional to 22,114.85, 30,518.20 and 12,554.66

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Solution

The fourth proportional to 22,114.85, 30,518.20 and 12,554.66 is: 17,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.85 : 30,518.20 = 12,554.66 : x
  2. Step 2: Convert to fraction form
    22,114.85/30,518.20 = 12,554.66/x
  3. Step 3: Cross multiply
    22,114.85x = 30,518.20 × 12,554.66
  4. Step 4: Simplify right side
    22,114.85x = 383,145,562.04
  5. Step 5: Solve for x
    x = 383,145,562.04/22,114.85
  6. Step 6: Final answer
    x = 17,325.26

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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.