Home / 16,240.74-22,410.18-9,165.96

Finding the Fourth Proportional to 16,240.74, 22,410.18 and 9,165.96

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Solution

The fourth proportional to 16,240.74, 22,410.18 and 9,165.96 is: 12,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.74 : 22,410.18 = 9,165.96 : x
  2. Step 2: Convert to fraction form
    16,240.74/22,410.18 = 9,165.96/x
  3. Step 3: Cross multiply
    16,240.74x = 22,410.18 × 9,165.96
  4. Step 4: Simplify right side
    16,240.74x = 205,410,813.47
  5. Step 5: Solve for x
    x = 205,410,813.47/16,240.74
  6. Step 6: Final answer
    x = 12,647.87

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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.