Home / 13,371.48-18,453.42-7,403.00

Finding the Fourth Proportional to 13,371.48, 18,453.42 and 7,403.00

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Solution

The fourth proportional to 13,371.48, 18,453.42 and 7,403.00 is: 10,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.48 : 18,453.42 = 7,403.00 : x
  2. Step 2: Convert to fraction form
    13,371.48/18,453.42 = 7,403.00/x
  3. Step 3: Cross multiply
    13,371.48x = 18,453.42 × 7,403.00
  4. Step 4: Simplify right side
    13,371.48x = 136,610,575.99
  5. Step 5: Solve for x
    x = 136,610,575.99/13,371.48
  6. Step 6: Final answer
    x = 10,216.56

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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.