Home / 22,950.48-31,676.13-13,391.49

Finding the Fourth Proportional to 22,950.48, 31,676.13 and 13,391.49

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Solution

The fourth proportional to 22,950.48, 31,676.13 and 13,391.49 is: 18,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.48 : 31,676.13 = 13,391.49 : x
  2. Step 2: Convert to fraction form
    22,950.48/31,676.13 = 13,391.49/x
  3. Step 3: Cross multiply
    22,950.48x = 31,676.13 × 13,391.49
  4. Step 4: Simplify right side
    22,950.48x = 424,190,578.13
  5. Step 5: Solve for x
    x = 424,190,578.13/22,950.48
  6. Step 6: Final answer
    x = 18,482.86

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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.