Home / 19,439.68-26,824.08-10,942.24

Finding the Fourth Proportional to 19,439.68, 26,824.08 and 10,942.24

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Solution

The fourth proportional to 19,439.68, 26,824.08 and 10,942.24 is: 15,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.68 : 26,824.08 = 10,942.24 : x
  2. Step 2: Convert to fraction form
    19,439.68/26,824.08 = 10,942.24/x
  3. Step 3: Cross multiply
    19,439.68x = 26,824.08 × 10,942.24
  4. Step 4: Simplify right side
    19,439.68x = 293,515,521.14
  5. Step 5: Solve for x
    x = 293,515,521.14/19,439.68
  6. Step 6: Final answer
    x = 15,098.78

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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.