Home / 22,180.68-30,607.97-12,107.07

Finding the Fourth Proportional to 22,180.68, 30,607.97 and 12,107.07

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Solution

The fourth proportional to 22,180.68, 30,607.97 and 12,107.07 is: 16,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.68 : 30,607.97 = 12,107.07 : x
  2. Step 2: Convert to fraction form
    22,180.68/30,607.97 = 12,107.07/x
  3. Step 3: Cross multiply
    22,180.68x = 30,607.97 × 12,107.07
  4. Step 4: Simplify right side
    22,180.68x = 370,572,728.56
  5. Step 5: Solve for x
    x = 370,572,728.56/22,180.68
  6. Step 6: Final answer
    x = 16,707.00

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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.