Home / 14,557.82-20,085.18-8,591.54

Finding the Fourth Proportional to 14,557.82, 20,085.18 and 8,591.54

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Solution

The fourth proportional to 14,557.82, 20,085.18 and 8,591.54 is: 11,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.82 : 20,085.18 = 8,591.54 : x
  2. Step 2: Convert to fraction form
    14,557.82/20,085.18 = 8,591.54/x
  3. Step 3: Cross multiply
    14,557.82x = 20,085.18 × 8,591.54
  4. Step 4: Simplify right side
    14,557.82x = 172,562,627.38
  5. Step 5: Solve for x
    x = 172,562,627.38/14,557.82
  6. Step 6: Final answer
    x = 11,853.60

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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.