Home / 15,104.82-22,555.44-12,336.90

Finding the Fourth Proportional to 15,104.82, 22,555.44 and 12,336.90

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Solution

The fourth proportional to 15,104.82, 22,555.44 and 12,336.90 is: 18,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.82 : 22,555.44 = 12,336.90 : x
  2. Step 2: Convert to fraction form
    15,104.82/22,555.44 = 12,336.90/x
  3. Step 3: Cross multiply
    15,104.82x = 22,555.44 × 12,336.90
  4. Step 4: Simplify right side
    15,104.82x = 278,264,207.74
  5. Step 5: Solve for x
    x = 278,264,207.74/15,104.82
  6. Step 6: Final answer
    x = 18,422.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.