Home / 22,252.56-30,707.40-12,179.16

Finding the Fourth Proportional to 22,252.56, 30,707.40 and 12,179.16

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Solution

The fourth proportional to 22,252.56, 30,707.40 and 12,179.16 is: 16,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.56 : 30,707.40 = 12,179.16 : x
  2. Step 2: Convert to fraction form
    22,252.56/30,707.40 = 12,179.16/x
  3. Step 3: Cross multiply
    22,252.56x = 30,707.40 × 12,179.16
  4. Step 4: Simplify right side
    22,252.56x = 373,990,337.78
  5. Step 5: Solve for x
    x = 373,990,337.78/22,252.56
  6. Step 6: Final answer
    x = 16,806.62

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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.