Home / 15,188.43-22,780.55-4,095.79

Finding the Fourth Proportional to 15,188.43, 22,780.55 and 4,095.79

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Solution

The fourth proportional to 15,188.43, 22,780.55 and 4,095.79 is: 6,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.43 : 22,780.55 = 4,095.79 : x
  2. Step 2: Convert to fraction form
    15,188.43/22,780.55 = 4,095.79/x
  3. Step 3: Cross multiply
    15,188.43x = 22,780.55 × 4,095.79
  4. Step 4: Simplify right side
    15,188.43x = 93,304,271.45
  5. Step 5: Solve for x
    x = 93,304,271.45/15,188.43
  6. Step 6: Final answer
    x = 6,143.11

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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.