Home / 29,269.76-40,392.27-15,841.11

Finding the Fourth Proportional to 29,269.76, 40,392.27 and 15,841.11

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Solution

The fourth proportional to 29,269.76, 40,392.27 and 15,841.11 is: 21,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,269.76 : 40,392.27 = 15,841.11 : x
  2. Step 2: Convert to fraction form
    29,269.76/40,392.27 = 15,841.11/x
  3. Step 3: Cross multiply
    29,269.76x = 40,392.27 × 15,841.11
  4. Step 4: Simplify right side
    29,269.76x = 639,858,543.69
  5. Step 5: Solve for x
    x = 639,858,543.69/29,269.76
  6. Step 6: Final answer
    x = 21,860.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.