Home / 22,445.85-30,975.35-12,236.82

Finding the Fourth Proportional to 22,445.85, 30,975.35 and 12,236.82

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Solution

The fourth proportional to 22,445.85, 30,975.35 and 12,236.82 is: 16,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.85 : 30,975.35 = 12,236.82 : x
  2. Step 2: Convert to fraction form
    22,445.85/30,975.35 = 12,236.82/x
  3. Step 3: Cross multiply
    22,445.85x = 30,975.35 × 12,236.82
  4. Step 4: Simplify right side
    22,445.85x = 379,039,721.20
  5. Step 5: Solve for x
    x = 379,039,721.20/22,445.85
  6. Step 6: Final answer
    x = 16,886.85

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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.