Home / 17,931.38-26,897.06-5,619.38

Finding the Fourth Proportional to 17,931.38, 26,897.06 and 5,619.38

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Solution

The fourth proportional to 17,931.38, 26,897.06 and 5,619.38 is: 8,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.38 : 26,897.06 = 5,619.38 : x
  2. Step 2: Convert to fraction form
    17,931.38/26,897.06 = 5,619.38/x
  3. Step 3: Cross multiply
    17,931.38x = 26,897.06 × 5,619.38
  4. Step 4: Simplify right side
    17,931.38x = 151,144,680.59
  5. Step 5: Solve for x
    x = 151,144,680.59/17,931.38
  6. Step 6: Final answer
    x = 8,429.06

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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.