Home / 18,565.12-27,838.46-5,913.22

Finding the Fourth Proportional to 18,565.12, 27,838.46 and 5,913.22

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Solution

The fourth proportional to 18,565.12, 27,838.46 and 5,913.22 is: 8,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.12 : 27,838.46 = 5,913.22 : x
  2. Step 2: Convert to fraction form
    18,565.12/27,838.46 = 5,913.22/x
  3. Step 3: Cross multiply
    18,565.12x = 27,838.46 × 5,913.22
  4. Step 4: Simplify right side
    18,565.12x = 164,614,938.44
  5. Step 5: Solve for x
    x = 164,614,938.44/18,565.12
  6. Step 6: Final answer
    x = 8,866.89

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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.