Home / 22,768.67-31,418.61-13,335.41

Finding the Fourth Proportional to 22,768.67, 31,418.61 and 13,335.41

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Solution

The fourth proportional to 22,768.67, 31,418.61 and 13,335.41 is: 18,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.67 : 31,418.61 = 13,335.41 : x
  2. Step 2: Convert to fraction form
    22,768.67/31,418.61 = 13,335.41/x
  3. Step 3: Cross multiply
    22,768.67x = 31,418.61 × 13,335.41
  4. Step 4: Simplify right side
    22,768.67x = 418,980,045.98
  5. Step 5: Solve for x
    x = 418,980,045.98/22,768.67
  6. Step 6: Final answer
    x = 18,401.60

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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.