Home / 16,247.41-22,421.43-9,174.28

Finding the Fourth Proportional to 16,247.41, 22,421.43 and 9,174.28

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Solution

The fourth proportional to 16,247.41, 22,421.43 and 9,174.28 is: 12,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.41 : 22,421.43 = 9,174.28 : x
  2. Step 2: Convert to fraction form
    16,247.41/22,421.43 = 9,174.28/x
  3. Step 3: Cross multiply
    16,247.41x = 22,421.43 × 9,174.28
  4. Step 4: Simplify right side
    16,247.41x = 205,700,476.82
  5. Step 5: Solve for x
    x = 205,700,476.82/16,247.41
  6. Step 6: Final answer
    x = 12,660.51

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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.