Home / 22,002.40-30,360.40-12,443.59

Finding the Fourth Proportional to 22,002.40, 30,360.40 and 12,443.59

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Solution

The fourth proportional to 22,002.40, 30,360.40 and 12,443.59 is: 17,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.40 : 30,360.40 = 12,443.59 : x
  2. Step 2: Convert to fraction form
    22,002.40/30,360.40 = 12,443.59/x
  3. Step 3: Cross multiply
    22,002.40x = 30,360.40 × 12,443.59
  4. Step 4: Simplify right side
    22,002.40x = 377,792,369.84
  5. Step 5: Solve for x
    x = 377,792,369.84/22,002.40
  6. Step 6: Final answer
    x = 17,170.51

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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.