Home / 15,543.58-23,310.74-5,680.57

Finding the Fourth Proportional to 15,543.58, 23,310.74 and 5,680.57

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Solution

The fourth proportional to 15,543.58, 23,310.74 and 5,680.57 is: 8,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.58 : 23,310.74 = 5,680.57 : x
  2. Step 2: Convert to fraction form
    15,543.58/23,310.74 = 5,680.57/x
  3. Step 3: Cross multiply
    15,543.58x = 23,310.74 × 5,680.57
  4. Step 4: Simplify right side
    15,543.58x = 132,418,261.92
  5. Step 5: Solve for x
    x = 132,418,261.92/15,543.58
  6. Step 6: Final answer
    x = 8,519.16

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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.