Home / 17,722.08-26,588.13-5,242.05

Finding the Fourth Proportional to 17,722.08, 26,588.13 and 5,242.05

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Solution

The fourth proportional to 17,722.08, 26,588.13 and 5,242.05 is: 7,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.08 : 26,588.13 = 5,242.05 : x
  2. Step 2: Convert to fraction form
    17,722.08/26,588.13 = 5,242.05/x
  3. Step 3: Cross multiply
    17,722.08x = 26,588.13 × 5,242.05
  4. Step 4: Simplify right side
    17,722.08x = 139,376,306.87
  5. Step 5: Solve for x
    x = 139,376,306.87/17,722.08
  6. Step 6: Final answer
    x = 7,864.56

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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.