Home / 16,235.80-24,356.70-5,145.28

Finding the Fourth Proportional to 16,235.80, 24,356.70 and 5,145.28

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Solution

The fourth proportional to 16,235.80, 24,356.70 and 5,145.28 is: 7,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,235.80 : 24,356.70 = 5,145.28 : x
  2. Step 2: Convert to fraction form
    16,235.80/24,356.70 = 5,145.28/x
  3. Step 3: Cross multiply
    16,235.80x = 24,356.70 × 5,145.28
  4. Step 4: Simplify right side
    16,235.80x = 125,321,980.48
  5. Step 5: Solve for x
    x = 125,321,980.48/16,235.80
  6. Step 6: Final answer
    x = 7,718.87

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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.