Home / 26,072.28-39,123-10,491.12

Finding the Fourth Proportional to 26,072.28, 39,123 and 10,491.12

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Solution

The fourth proportional to 26,072.28, 39,123 and 10,491.12 is: 15,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,072.28 : 39,123 = 10,491.12 : x
  2. Step 2: Convert to fraction form
    26,072.28/39,123 = 10,491.12/x
  3. Step 3: Cross multiply
    26,072.28x = 39,123 × 10,491.12
  4. Step 4: Simplify right side
    26,072.28x = 410,444,087.76
  5. Step 5: Solve for x
    x = 410,444,087.76/26,072.28
  6. Step 6: Final answer
    x = 15,742.55

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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.