Home / 15,608.32-23,387.82-12,672.28

Finding the Fourth Proportional to 15,608.32, 23,387.82 and 12,672.28

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Solution

The fourth proportional to 15,608.32, 23,387.82 and 12,672.28 is: 18,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.32 : 23,387.82 = 12,672.28 : x
  2. Step 2: Convert to fraction form
    15,608.32/23,387.82 = 12,672.28/x
  3. Step 3: Cross multiply
    15,608.32x = 23,387.82 × 12,672.28
  4. Step 4: Simplify right side
    15,608.32x = 296,377,003.63
  5. Step 5: Solve for x
    x = 296,377,003.63/15,608.32
  6. Step 6: Final answer
    x = 18,988.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.