Home / 22,416.45-30,947.12-13,466.13

Finding the Fourth Proportional to 22,416.45, 30,947.12 and 13,466.13

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Solution

The fourth proportional to 22,416.45, 30,947.12 and 13,466.13 is: 18,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.45 : 30,947.12 = 13,466.13 : x
  2. Step 2: Convert to fraction form
    22,416.45/30,947.12 = 13,466.13/x
  3. Step 3: Cross multiply
    22,416.45x = 30,947.12 × 13,466.13
  4. Step 4: Simplify right side
    22,416.45x = 416,737,941.05
  5. Step 5: Solve for x
    x = 416,737,941.05/22,416.45
  6. Step 6: Final answer
    x = 18,590.72

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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.