Home / 27,429.59-41,145.78-8,711.07

Finding the Fourth Proportional to 27,429.59, 41,145.78 and 8,711.07

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Solution

The fourth proportional to 27,429.59, 41,145.78 and 8,711.07 is: 13,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.59 : 41,145.78 = 8,711.07 : x
  2. Step 2: Convert to fraction form
    27,429.59/41,145.78 = 8,711.07/x
  3. Step 3: Cross multiply
    27,429.59x = 41,145.78 × 8,711.07
  4. Step 4: Simplify right side
    27,429.59x = 358,423,769.78
  5. Step 5: Solve for x
    x = 358,423,769.78/27,429.59
  6. Step 6: Final answer
    x = 13,067.05

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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.