Home / 16,870.60-25,309.78-5,777.27

Finding the Fourth Proportional to 16,870.60, 25,309.78 and 5,777.27

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Solution

The fourth proportional to 16,870.60, 25,309.78 and 5,777.27 is: 8,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.60 : 25,309.78 = 5,777.27 : x
  2. Step 2: Convert to fraction form
    16,870.60/25,309.78 = 5,777.27/x
  3. Step 3: Cross multiply
    16,870.60x = 25,309.78 × 5,777.27
  4. Step 4: Simplify right side
    16,870.60x = 146,221,432.70
  5. Step 5: Solve for x
    x = 146,221,432.70/16,870.60
  6. Step 6: Final answer
    x = 8,667.23

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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.