Home / 16,431.52-24,647.28-4,119.52

Finding the Fourth Proportional to 16,431.52, 24,647.28 and 4,119.52

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Solution

The fourth proportional to 16,431.52, 24,647.28 and 4,119.52 is: 6,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.52 : 24,647.28 = 4,119.52 : x
  2. Step 2: Convert to fraction form
    16,431.52/24,647.28 = 4,119.52/x
  3. Step 3: Cross multiply
    16,431.52x = 24,647.28 × 4,119.52
  4. Step 4: Simplify right side
    16,431.52x = 101,534,962.91
  5. Step 5: Solve for x
    x = 101,534,962.91/16,431.52
  6. Step 6: Final answer
    x = 6,179.28

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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.