Home / 27,506.68-41,221.14-13,665.40

Finding the Fourth Proportional to 27,506.68, 41,221.14 and 13,665.40

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Solution

The fourth proportional to 27,506.68, 41,221.14 and 13,665.40 is: 20,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,506.68 : 41,221.14 = 13,665.40 : x
  2. Step 2: Convert to fraction form
    27,506.68/41,221.14 = 13,665.40/x
  3. Step 3: Cross multiply
    27,506.68x = 41,221.14 × 13,665.40
  4. Step 4: Simplify right side
    27,506.68x = 563,303,366.56
  5. Step 5: Solve for x
    x = 563,303,366.56/27,506.68
  6. Step 6: Final answer
    x = 20,478.78

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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.