Home / 18,926.28-26,115.90-10,968.36

Finding the Fourth Proportional to 18,926.28, 26,115.90 and 10,968.36

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Solution

The fourth proportional to 18,926.28, 26,115.90 and 10,968.36 is: 15,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.28 : 26,115.90 = 10,968.36 : x
  2. Step 2: Convert to fraction form
    18,926.28/26,115.90 = 10,968.36/x
  3. Step 3: Cross multiply
    18,926.28x = 26,115.90 × 10,968.36
  4. Step 4: Simplify right side
    18,926.28x = 286,448,592.92
  5. Step 5: Solve for x
    x = 286,448,592.92/18,926.28
  6. Step 6: Final answer
    x = 15,134.97

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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.