Home / 16,272.72-22,457.28-9,199.76

Finding the Fourth Proportional to 16,272.72, 22,457.28 and 9,199.76

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Solution

The fourth proportional to 16,272.72, 22,457.28 and 9,199.76 is: 12,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.72 : 22,457.28 = 9,199.76 : x
  2. Step 2: Convert to fraction form
    16,272.72/22,457.28 = 9,199.76/x
  3. Step 3: Cross multiply
    16,272.72x = 22,457.28 × 9,199.76
  4. Step 4: Simplify right side
    16,272.72x = 206,601,586.25
  5. Step 5: Solve for x
    x = 206,601,586.25/16,272.72
  6. Step 6: Final answer
    x = 12,696.19

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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.