Home / 17,618.16-26,431.14-5,931

Finding the Fourth Proportional to 17,618.16, 26,431.14 and 5,931

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Solution

The fourth proportional to 17,618.16, 26,431.14 and 5,931 is: 8,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.16 : 26,431.14 = 5,931 : x
  2. Step 2: Convert to fraction form
    17,618.16/26,431.14 = 5,931/x
  3. Step 3: Cross multiply
    17,618.16x = 26,431.14 × 5,931
  4. Step 4: Simplify right side
    17,618.16x = 156,763,091.34
  5. Step 5: Solve for x
    x = 156,763,091.34/17,618.16
  6. Step 6: Final answer
    x = 8,897.81

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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.