Home / 13,601.49-18,771.03-7,552.05

Finding the Fourth Proportional to 13,601.49, 18,771.03 and 7,552.05

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Solution

The fourth proportional to 13,601.49, 18,771.03 and 7,552.05 is: 10,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.49 : 18,771.03 = 7,552.05 : x
  2. Step 2: Convert to fraction form
    13,601.49/18,771.03 = 7,552.05/x
  3. Step 3: Cross multiply
    13,601.49x = 18,771.03 × 7,552.05
  4. Step 4: Simplify right side
    13,601.49x = 141,759,757.11
  5. Step 5: Solve for x
    x = 141,759,757.11/13,601.49
  6. Step 6: Final answer
    x = 10,422.37

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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.