Home / 17,355.11-23,955.93-13,371.12

Finding the Fourth Proportional to 17,355.11, 23,955.93 and 13,371.12

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Solution

The fourth proportional to 17,355.11, 23,955.93 and 13,371.12 is: 18,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,355.11 : 23,955.93 = 13,371.12 : x
  2. Step 2: Convert to fraction form
    17,355.11/23,955.93 = 13,371.12/x
  3. Step 3: Cross multiply
    17,355.11x = 23,955.93 × 13,371.12
  4. Step 4: Simplify right side
    17,355.11x = 320,317,614.74
  5. Step 5: Solve for x
    x = 320,317,614.74/17,355.11
  6. Step 6: Final answer
    x = 18,456.68

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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.