Home / 20,694.76-31,061.56-10,841.10

Finding the Fourth Proportional to 20,694.76, 31,061.56 and 10,841.10

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Solution

The fourth proportional to 20,694.76, 31,061.56 and 10,841.10 is: 16,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.76 : 31,061.56 = 10,841.10 : x
  2. Step 2: Convert to fraction form
    20,694.76/31,061.56 = 10,841.10/x
  3. Step 3: Cross multiply
    20,694.76x = 31,061.56 × 10,841.10
  4. Step 4: Simplify right side
    20,694.76x = 336,741,478.12
  5. Step 5: Solve for x
    x = 336,741,478.12/20,694.76
  6. Step 6: Final answer
    x = 16,271.82

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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.