Home / 13,357.24-18,433.17-8,323.49

Finding the Fourth Proportional to 13,357.24, 18,433.17 and 8,323.49

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Solution

The fourth proportional to 13,357.24, 18,433.17 and 8,323.49 is: 11,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.24 : 18,433.17 = 8,323.49 : x
  2. Step 2: Convert to fraction form
    13,357.24/18,433.17 = 8,323.49/x
  3. Step 3: Cross multiply
    13,357.24x = 18,433.17 × 8,323.49
  4. Step 4: Simplify right side
    13,357.24x = 153,428,352.25
  5. Step 5: Solve for x
    x = 153,428,352.25/13,357.24
  6. Step 6: Final answer
    x = 11,486.53

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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.