Home / 15,132.68-20,883.39-8,848.70

Finding the Fourth Proportional to 15,132.68, 20,883.39 and 8,848.70

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Solution

The fourth proportional to 15,132.68, 20,883.39 and 8,848.70 is: 12,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.68 : 20,883.39 = 8,848.70 : x
  2. Step 2: Convert to fraction form
    15,132.68/20,883.39 = 8,848.70/x
  3. Step 3: Cross multiply
    15,132.68x = 20,883.39 × 8,848.70
  4. Step 4: Simplify right side
    15,132.68x = 184,790,853.09
  5. Step 5: Solve for x
    x = 184,790,853.09/15,132.68
  6. Step 6: Final answer
    x = 12,211.38

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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.