Home / 14,587.28-20,132.36-8,298.44

Finding the Fourth Proportional to 14,587.28, 20,132.36 and 8,298.44

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Solution

The fourth proportional to 14,587.28, 20,132.36 and 8,298.44 is: 11,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.28 : 20,132.36 = 8,298.44 : x
  2. Step 2: Convert to fraction form
    14,587.28/20,132.36 = 8,298.44/x
  3. Step 3: Cross multiply
    14,587.28x = 20,132.36 × 8,298.44
  4. Step 4: Simplify right side
    14,587.28x = 167,067,181.52
  5. Step 5: Solve for x
    x = 167,067,181.52/14,587.28
  6. Step 6: Final answer
    x = 11,452.94

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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.