Home / 16,212.72-22,364.96-11,168.16

Finding the Fourth Proportional to 16,212.72, 22,364.96 and 11,168.16

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Solution

The fourth proportional to 16,212.72, 22,364.96 and 11,168.16 is: 15,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.72 : 22,364.96 = 11,168.16 : x
  2. Step 2: Convert to fraction form
    16,212.72/22,364.96 = 11,168.16/x
  3. Step 3: Cross multiply
    16,212.72x = 22,364.96 × 11,168.16
  4. Step 4: Simplify right side
    16,212.72x = 249,775,451.67
  5. Step 5: Solve for x
    x = 249,775,451.67/16,212.72
  6. Step 6: Final answer
    x = 15,406.14

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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.