Home / 16,246.86-22,422.17-9,871.98

Finding the Fourth Proportional to 16,246.86, 22,422.17 and 9,871.98

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Solution

The fourth proportional to 16,246.86, 22,422.17 and 9,871.98 is: 13,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,246.86 : 22,422.17 = 9,871.98 : x
  2. Step 2: Convert to fraction form
    16,246.86/22,422.17 = 9,871.98/x
  3. Step 3: Cross multiply
    16,246.86x = 22,422.17 × 9,871.98
  4. Step 4: Simplify right side
    16,246.86x = 221,351,238.48
  5. Step 5: Solve for x
    x = 221,351,238.48/16,246.86
  6. Step 6: Final answer
    x = 13,624.25

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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.