Home / 12,324.24-18,456.93-7,114.32

Finding the Fourth Proportional to 12,324.24, 18,456.93 and 7,114.32

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Solution

The fourth proportional to 12,324.24, 18,456.93 and 7,114.32 is: 10,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.24 : 18,456.93 = 7,114.32 : x
  2. Step 2: Convert to fraction form
    12,324.24/18,456.93 = 7,114.32/x
  3. Step 3: Cross multiply
    12,324.24x = 18,456.93 × 7,114.32
  4. Step 4: Simplify right side
    12,324.24x = 131,308,506.24
  5. Step 5: Solve for x
    x = 131,308,506.24/12,324.24
  6. Step 6: Final answer
    x = 10,654.49

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1.5x scale

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.