Home / 14,581.54-20,122.48-8,293.91

Finding the Fourth Proportional to 14,581.54, 20,122.48 and 8,293.91

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Solution

The fourth proportional to 14,581.54, 20,122.48 and 8,293.91 is: 11,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.54 : 20,122.48 = 8,293.91 : x
  2. Step 2: Convert to fraction form
    14,581.54/20,122.48 = 8,293.91/x
  3. Step 3: Cross multiply
    14,581.54x = 20,122.48 × 8,293.91
  4. Step 4: Simplify right side
    14,581.54x = 166,894,067.67
  5. Step 5: Solve for x
    x = 166,894,067.67/14,581.54
  6. Step 6: Final answer
    x = 11,445.57

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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.