Home / 13,456.15-20,184.33-4,691.05

Finding the Fourth Proportional to 13,456.15, 20,184.33 and 4,691.05

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Solution

The fourth proportional to 13,456.15, 20,184.33 and 4,691.05 is: 7,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.15 : 20,184.33 = 4,691.05 : x
  2. Step 2: Convert to fraction form
    13,456.15/20,184.33 = 4,691.05/x
  3. Step 3: Cross multiply
    13,456.15x = 20,184.33 × 4,691.05
  4. Step 4: Simplify right side
    13,456.15x = 94,685,701.25
  5. Step 5: Solve for x
    x = 94,685,701.25/13,456.15
  6. Step 6: Final answer
    x = 7,036.61

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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.