Home / 16,868.16-25,305.76-5,775.68

Finding the Fourth Proportional to 16,868.16, 25,305.76 and 5,775.68

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Solution

The fourth proportional to 16,868.16, 25,305.76 and 5,775.68 is: 8,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.16 : 25,305.76 = 5,775.68 : x
  2. Step 2: Convert to fraction form
    16,868.16/25,305.76 = 5,775.68/x
  3. Step 3: Cross multiply
    16,868.16x = 25,305.76 × 5,775.68
  4. Step 4: Simplify right side
    16,868.16x = 146,157,971.92
  5. Step 5: Solve for x
    x = 146,157,971.92/16,868.16
  6. Step 6: Final answer
    x = 8,664.73

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1.5x scale

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.