Home / 13,309.52-18,367.16-7,341.57

Finding the Fourth Proportional to 13,309.52, 18,367.16 and 7,341.57

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Solution

The fourth proportional to 13,309.52, 18,367.16 and 7,341.57 is: 10,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.52 : 18,367.16 = 7,341.57 : x
  2. Step 2: Convert to fraction form
    13,309.52/18,367.16 = 7,341.57/x
  3. Step 3: Cross multiply
    13,309.52x = 18,367.16 × 7,341.57
  4. Step 4: Simplify right side
    13,309.52x = 134,843,754.13
  5. Step 5: Solve for x
    x = 134,843,754.13/13,309.52
  6. Step 6: Final answer
    x = 10,131.38

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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.