Home / 16,868.88-25,303.32-5,182.20

Finding the Fourth Proportional to 16,868.88, 25,303.32 and 5,182.20

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Solution

The fourth proportional to 16,868.88, 25,303.32 and 5,182.20 is: 7,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.88 : 25,303.32 = 5,182.20 : x
  2. Step 2: Convert to fraction form
    16,868.88/25,303.32 = 5,182.20/x
  3. Step 3: Cross multiply
    16,868.88x = 25,303.32 × 5,182.20
  4. Step 4: Simplify right side
    16,868.88x = 131,126,864.90
  5. Step 5: Solve for x
    x = 131,126,864.90/16,868.88
  6. Step 6: Final answer
    x = 7,773.30

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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.