Home / 22,179.46-30,608.40-12,108.51

Finding the Fourth Proportional to 22,179.46, 30,608.40 and 12,108.51

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Solution

The fourth proportional to 22,179.46, 30,608.40 and 12,108.51 is: 16,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.46 : 30,608.40 = 12,108.51 : x
  2. Step 2: Convert to fraction form
    22,179.46/30,608.40 = 12,108.51/x
  3. Step 3: Cross multiply
    22,179.46x = 30,608.40 × 12,108.51
  4. Step 4: Simplify right side
    22,179.46x = 370,622,117.48
  5. Step 5: Solve for x
    x = 370,622,117.48/22,179.46
  6. Step 6: Final answer
    x = 16,710.15

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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.