Home / 27,428.79-41,137.95-13,374.69

Finding the Fourth Proportional to 27,428.79, 41,137.95 and 13,374.69

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Solution

The fourth proportional to 27,428.79, 41,137.95 and 13,374.69 is: 20,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.79 : 41,137.95 = 13,374.69 : x
  2. Step 2: Convert to fraction form
    27,428.79/41,137.95 = 13,374.69/x
  3. Step 3: Cross multiply
    27,428.79x = 41,137.95 × 13,374.69
  4. Step 4: Simplify right side
    27,428.79x = 550,207,328.49
  5. Step 5: Solve for x
    x = 550,207,328.49/27,428.79
  6. Step 6: Final answer
    x = 20,059.48

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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.