Home / 22,194.24-30,621.60-12,759.36

Finding the Fourth Proportional to 22,194.24, 30,621.60 and 12,759.36

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Solution

The fourth proportional to 22,194.24, 30,621.60 and 12,759.36 is: 17,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.24 : 30,621.60 = 12,759.36 : x
  2. Step 2: Convert to fraction form
    22,194.24/30,621.60 = 12,759.36/x
  3. Step 3: Cross multiply
    22,194.24x = 30,621.60 × 12,759.36
  4. Step 4: Simplify right side
    22,194.24x = 390,712,018.18
  5. Step 5: Solve for x
    x = 390,712,018.18/22,194.24
  6. Step 6: Final answer
    x = 17,604.21

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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.