Home / 13,062.51-18,025.88-9,540.63

Finding the Fourth Proportional to 13,062.51, 18,025.88 and 9,540.63

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Solution

The fourth proportional to 13,062.51, 18,025.88 and 9,540.63 is: 13,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.51 : 18,025.88 = 9,540.63 : x
  2. Step 2: Convert to fraction form
    13,062.51/18,025.88 = 9,540.63/x
  3. Step 3: Cross multiply
    13,062.51x = 18,025.88 × 9,540.63
  4. Step 4: Simplify right side
    13,062.51x = 171,978,203.80
  5. Step 5: Solve for x
    x = 171,978,203.80/13,062.51
  6. Step 6: Final answer
    x = 13,165.79

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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.