Home / 27,425.79-41,124.51-13,386.47

Finding the Fourth Proportional to 27,425.79, 41,124.51 and 13,386.47

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Solution

The fourth proportional to 27,425.79, 41,124.51 and 13,386.47 is: 20,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.79 : 41,124.51 = 13,386.47 : x
  2. Step 2: Convert to fraction form
    27,425.79/41,124.51 = 13,386.47/x
  3. Step 3: Cross multiply
    27,425.79x = 41,124.51 × 13,386.47
  4. Step 4: Simplify right side
    27,425.79x = 550,511,813.76
  5. Step 5: Solve for x
    x = 550,511,813.76/27,425.79
  6. Step 6: Final answer
    x = 20,072.78

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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.