Home / 27,125.76-40,689.36-13,083.60

Finding the Fourth Proportional to 27,125.76, 40,689.36 and 13,083.60

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Solution

The fourth proportional to 27,125.76, 40,689.36 and 13,083.60 is: 19,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.76 : 40,689.36 = 13,083.60 : x
  2. Step 2: Convert to fraction form
    27,125.76/40,689.36 = 13,083.60/x
  3. Step 3: Cross multiply
    27,125.76x = 40,689.36 × 13,083.60
  4. Step 4: Simplify right side
    27,125.76x = 532,363,310.50
  5. Step 5: Solve for x
    x = 532,363,310.50/27,125.76
  6. Step 6: Final answer
    x = 19,625.75

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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.