Home / 16,106.28-22,201-12,697.75

Finding the Fourth Proportional to 16,106.28, 22,201 and 12,697.75

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Solution

The fourth proportional to 16,106.28, 22,201 and 12,697.75 is: 17,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.28 : 22,201 = 12,697.75 : x
  2. Step 2: Convert to fraction form
    16,106.28/22,201 = 12,697.75/x
  3. Step 3: Cross multiply
    16,106.28x = 22,201 × 12,697.75
  4. Step 4: Simplify right side
    16,106.28x = 281,902,747.75
  5. Step 5: Solve for x
    x = 281,902,747.75/16,106.28
  6. Step 6: Final answer
    x = 17,502.66

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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.