Home / 22,601.07-31,190.03-12,392.69

Finding the Fourth Proportional to 22,601.07, 31,190.03 and 12,392.69

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Solution

The fourth proportional to 22,601.07, 31,190.03 and 12,392.69 is: 17,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.07 : 31,190.03 = 12,392.69 : x
  2. Step 2: Convert to fraction form
    22,601.07/31,190.03 = 12,392.69/x
  3. Step 3: Cross multiply
    22,601.07x = 31,190.03 × 12,392.69
  4. Step 4: Simplify right side
    22,601.07x = 386,528,154.97
  5. Step 5: Solve for x
    x = 386,528,154.97/22,601.07
  6. Step 6: Final answer
    x = 17,102.21

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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.