Home / 38,830.16-58,253.88-11,126

Finding the Fourth Proportional to 38,830.16, 58,253.88 and 11,126

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Solution

The fourth proportional to 38,830.16, 58,253.88 and 11,126 is: 16,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.16 : 58,253.88 = 11,126 : x
  2. Step 2: Convert to fraction form
    38,830.16/58,253.88 = 11,126/x
  3. Step 3: Cross multiply
    38,830.16x = 58,253.88 × 11,126
  4. Step 4: Simplify right side
    38,830.16x = 648,132,668.88
  5. Step 5: Solve for x
    x = 648,132,668.88/38,830.16
  6. Step 6: Final answer
    x = 16,691.48

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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.