Home / 13,178.52-19,764.68-4,854.02

Finding the Fourth Proportional to 13,178.52, 19,764.68 and 4,854.02

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Solution

The fourth proportional to 13,178.52, 19,764.68 and 4,854.02 is: 7,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.52 : 19,764.68 = 4,854.02 : x
  2. Step 2: Convert to fraction form
    13,178.52/19,764.68 = 4,854.02/x
  3. Step 3: Cross multiply
    13,178.52x = 19,764.68 × 4,854.02
  4. Step 4: Simplify right side
    13,178.52x = 95,938,155.70
  5. Step 5: Solve for x
    x = 95,938,155.70/13,178.52
  6. Step 6: Final answer
    x = 7,279.89

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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.