Home / 13,350.03-18,424.37-7,382.14

Finding the Fourth Proportional to 13,350.03, 18,424.37 and 7,382.14

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Solution

The fourth proportional to 13,350.03, 18,424.37 and 7,382.14 is: 10,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.03 : 18,424.37 = 7,382.14 : x
  2. Step 2: Convert to fraction form
    13,350.03/18,424.37 = 7,382.14/x
  3. Step 3: Cross multiply
    13,350.03x = 18,424.37 × 7,382.14
  4. Step 4: Simplify right side
    13,350.03x = 136,011,278.75
  5. Step 5: Solve for x
    x = 136,011,278.75/13,350.03
  6. Step 6: Final answer
    x = 10,188.09

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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.