Home / 16,254.24-22,431.52-9,885.12

Finding the Fourth Proportional to 16,254.24, 22,431.52 and 9,885.12

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Solution

The fourth proportional to 16,254.24, 22,431.52 and 9,885.12 is: 13,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.24 : 22,431.52 = 9,885.12 : x
  2. Step 2: Convert to fraction form
    16,254.24/22,431.52 = 9,885.12/x
  3. Step 3: Cross multiply
    16,254.24x = 22,431.52 × 9,885.12
  4. Step 4: Simplify right side
    16,254.24x = 221,738,266.98
  5. Step 5: Solve for x
    x = 221,738,266.98/16,254.24
  6. Step 6: Final answer
    x = 13,641.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.