Home / 27,101.05-40,657.55-8,124.93

Finding the Fourth Proportional to 27,101.05, 40,657.55 and 8,124.93

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Solution

The fourth proportional to 27,101.05, 40,657.55 and 8,124.93 is: 12,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,101.05 : 40,657.55 = 8,124.93 : x
  2. Step 2: Convert to fraction form
    27,101.05/40,657.55 = 8,124.93/x
  3. Step 3: Cross multiply
    27,101.05x = 40,657.55 × 8,124.93
  4. Step 4: Simplify right side
    27,101.05x = 330,339,747.72
  5. Step 5: Solve for x
    x = 330,339,747.72/27,101.05
  6. Step 6: Final answer
    x = 12,189.19

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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.