Home / 15,177.52-22,767.36-4,789

Finding the Fourth Proportional to 15,177.52, 22,767.36 and 4,789

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Solution

The fourth proportional to 15,177.52, 22,767.36 and 4,789 is: 7,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.52 : 22,767.36 = 4,789 : x
  2. Step 2: Convert to fraction form
    15,177.52/22,767.36 = 4,789/x
  3. Step 3: Cross multiply
    15,177.52x = 22,767.36 × 4,789
  4. Step 4: Simplify right side
    15,177.52x = 109,032,887.04
  5. Step 5: Solve for x
    x = 109,032,887.04/15,177.52
  6. Step 6: Final answer
    x = 7,183.84

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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.