Home / 15,134.08-20,881.74-8,843.56

Finding the Fourth Proportional to 15,134.08, 20,881.74 and 8,843.56

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Solution

The fourth proportional to 15,134.08, 20,881.74 and 8,843.56 is: 12,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.08 : 20,881.74 = 8,843.56 : x
  2. Step 2: Convert to fraction form
    15,134.08/20,881.74 = 8,843.56/x
  3. Step 3: Cross multiply
    15,134.08x = 20,881.74 × 8,843.56
  4. Step 4: Simplify right side
    15,134.08x = 184,668,920.59
  5. Step 5: Solve for x
    x = 184,668,920.59/15,134.08
  6. Step 6: Final answer
    x = 12,202.19

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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.