Home / 13,066.52-18,021.85-9,040.04

Finding the Fourth Proportional to 13,066.52, 18,021.85 and 9,040.04

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Solution

The fourth proportional to 13,066.52, 18,021.85 and 9,040.04 is: 12,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.52 : 18,021.85 = 9,040.04 : x
  2. Step 2: Convert to fraction form
    13,066.52/18,021.85 = 9,040.04/x
  3. Step 3: Cross multiply
    13,066.52x = 18,021.85 × 9,040.04
  4. Step 4: Simplify right side
    13,066.52x = 162,918,244.87
  5. Step 5: Solve for x
    x = 162,918,244.87/13,066.52
  6. Step 6: Final answer
    x = 12,468.37

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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.