Home / 13,424.44-18,525.38-7,456.12

Finding the Fourth Proportional to 13,424.44, 18,525.38 and 7,456.12

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Solution

The fourth proportional to 13,424.44, 18,525.38 and 7,456.12 is: 10,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.44 : 18,525.38 = 7,456.12 : x
  2. Step 2: Convert to fraction form
    13,424.44/18,525.38 = 7,456.12/x
  3. Step 3: Cross multiply
    13,424.44x = 18,525.38 × 7,456.12
  4. Step 4: Simplify right side
    13,424.44x = 138,127,456.33
  5. Step 5: Solve for x
    x = 138,127,456.33/13,424.44
  6. Step 6: Final answer
    x = 10,289.25

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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.