Home / 13,301.82-18,356.63-7,333.70

Finding the Fourth Proportional to 13,301.82, 18,356.63 and 7,333.70

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Solution

The fourth proportional to 13,301.82, 18,356.63 and 7,333.70 is: 10,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.82 : 18,356.63 = 7,333.70 : x
  2. Step 2: Convert to fraction form
    13,301.82/18,356.63 = 7,333.70/x
  3. Step 3: Cross multiply
    13,301.82x = 18,356.63 × 7,333.70
  4. Step 4: Simplify right side
    13,301.82x = 134,622,017.43
  5. Step 5: Solve for x
    x = 134,622,017.43/13,301.82
  6. Step 6: Final answer
    x = 10,120.57

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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.