Home / 22,375.64-30,877.70-12,302.69

Finding the Fourth Proportional to 22,375.64, 30,877.70 and 12,302.69

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Solution

The fourth proportional to 22,375.64, 30,877.70 and 12,302.69 is: 16,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.64 : 30,877.70 = 12,302.69 : x
  2. Step 2: Convert to fraction form
    22,375.64/30,877.70 = 12,302.69/x
  3. Step 3: Cross multiply
    22,375.64x = 30,877.70 × 12,302.69
  4. Step 4: Simplify right side
    22,375.64x = 379,878,555.11
  5. Step 5: Solve for x
    x = 379,878,555.11/22,375.64
  6. Step 6: Final answer
    x = 16,977.33

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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.