Home / 13,371.99-18,452.55-7,403.31

Finding the Fourth Proportional to 13,371.99, 18,452.55 and 7,403.31

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Solution

The fourth proportional to 13,371.99, 18,452.55 and 7,403.31 is: 10,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.99 : 18,452.55 = 7,403.31 : x
  2. Step 2: Convert to fraction form
    13,371.99/18,452.55 = 7,403.31/x
  3. Step 3: Cross multiply
    13,371.99x = 18,452.55 × 7,403.31
  4. Step 4: Simplify right side
    13,371.99x = 136,609,947.94
  5. Step 5: Solve for x
    x = 136,609,947.94/13,371.99
  6. Step 6: Final answer
    x = 10,216.13

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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.