Home / 16,247.29-22,421.28-9,173.77

Finding the Fourth Proportional to 16,247.29, 22,421.28 and 9,173.77

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Solution

The fourth proportional to 16,247.29, 22,421.28 and 9,173.77 is: 12,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.29 : 22,421.28 = 9,173.77 : x
  2. Step 2: Convert to fraction form
    16,247.29/22,421.28 = 9,173.77/x
  3. Step 3: Cross multiply
    16,247.29x = 22,421.28 × 9,173.77
  4. Step 4: Simplify right side
    16,247.29x = 205,687,665.83
  5. Step 5: Solve for x
    x = 205,687,665.83/16,247.29
  6. Step 6: Final answer
    x = 12,659.81

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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.