Home / 14,761.81-22,145.75-8,174.15

Finding the Fourth Proportional to 14,761.81, 22,145.75 and 8,174.15

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Solution

The fourth proportional to 14,761.81, 22,145.75 and 8,174.15 is: 12,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761.81 : 22,145.75 = 8,174.15 : x
  2. Step 2: Convert to fraction form
    14,761.81/22,145.75 = 8,174.15/x
  3. Step 3: Cross multiply
    14,761.81x = 22,145.75 × 8,174.15
  4. Step 4: Simplify right side
    14,761.81x = 181,022,641.49
  5. Step 5: Solve for x
    x = 181,022,641.49/14,761.81
  6. Step 6: Final answer
    x = 12,262.91

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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.