Home / 27,141.75-40,712.86-10,503.69

Finding the Fourth Proportional to 27,141.75, 40,712.86 and 10,503.69

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Solution

The fourth proportional to 27,141.75, 40,712.86 and 10,503.69 is: 15,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.75 : 40,712.86 = 10,503.69 : x
  2. Step 2: Convert to fraction form
    27,141.75/40,712.86 = 10,503.69/x
  3. Step 3: Cross multiply
    27,141.75x = 40,712.86 × 10,503.69
  4. Step 4: Simplify right side
    27,141.75x = 427,635,391.49
  5. Step 5: Solve for x
    x = 427,635,391.49/27,141.75
  6. Step 6: Final answer
    x = 15,755.63

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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.