Home / 15,372.72-23,048.15-7,358.31

Finding the Fourth Proportional to 15,372.72, 23,048.15 and 7,358.31

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Solution

The fourth proportional to 15,372.72, 23,048.15 and 7,358.31 is: 11,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.72 : 23,048.15 = 7,358.31 : x
  2. Step 2: Convert to fraction form
    15,372.72/23,048.15 = 7,358.31/x
  3. Step 3: Cross multiply
    15,372.72x = 23,048.15 × 7,358.31
  4. Step 4: Simplify right side
    15,372.72x = 169,595,395.83
  5. Step 5: Solve for x
    x = 169,595,395.83/15,372.72
  6. Step 6: Final answer
    x = 11,032.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.