Home / 13,371.92-18,453.93-7,404.25

Finding the Fourth Proportional to 13,371.92, 18,453.93 and 7,404.25

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Solution

The fourth proportional to 13,371.92, 18,453.93 and 7,404.25 is: 10,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.92 : 18,453.93 = 7,404.25 : x
  2. Step 2: Convert to fraction form
    13,371.92/18,453.93 = 7,404.25/x
  3. Step 3: Cross multiply
    13,371.92x = 18,453.93 × 7,404.25
  4. Step 4: Simplify right side
    13,371.92x = 136,637,418.93
  5. Step 5: Solve for x
    x = 136,637,418.93/13,371.92
  6. Step 6: Final answer
    x = 10,218.23

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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.