Home / 17,587.20-24,281.66-15,695.54

Finding the Fourth Proportional to 17,587.20, 24,281.66 and 15,695.54

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Solution

The fourth proportional to 17,587.20, 24,281.66 and 15,695.54 is: 21,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.20 : 24,281.66 = 15,695.54 : x
  2. Step 2: Convert to fraction form
    17,587.20/24,281.66 = 15,695.54/x
  3. Step 3: Cross multiply
    17,587.20x = 24,281.66 × 15,695.54
  4. Step 4: Simplify right side
    17,587.20x = 381,113,765.80
  5. Step 5: Solve for x
    x = 381,113,765.80/17,587.20
  6. Step 6: Final answer
    x = 21,669.95

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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.