Home / 27,139.05-40,715.46-11,341.35

Finding the Fourth Proportional to 27,139.05, 40,715.46 and 11,341.35

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Solution

The fourth proportional to 27,139.05, 40,715.46 and 11,341.35 is: 17,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.05 : 40,715.46 = 11,341.35 : x
  2. Step 2: Convert to fraction form
    27,139.05/40,715.46 = 11,341.35/x
  3. Step 3: Cross multiply
    27,139.05x = 40,715.46 × 11,341.35
  4. Step 4: Simplify right side
    27,139.05x = 461,768,282.27
  5. Step 5: Solve for x
    x = 461,768,282.27/27,139.05
  6. Step 6: Final answer
    x = 17,014.90

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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.