Home / 22,952.28-31,676.31-13,391.45

Finding the Fourth Proportional to 22,952.28, 31,676.31 and 13,391.45

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Solution

The fourth proportional to 22,952.28, 31,676.31 and 13,391.45 is: 18,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,952.28 : 31,676.31 = 13,391.45 : x
  2. Step 2: Convert to fraction form
    22,952.28/31,676.31 = 13,391.45/x
  3. Step 3: Cross multiply
    22,952.28x = 31,676.31 × 13,391.45
  4. Step 4: Simplify right side
    22,952.28x = 424,191,563.17
  5. Step 5: Solve for x
    x = 424,191,563.17/22,952.28
  6. Step 6: Final answer
    x = 18,481.46

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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.