Home / 12,252.44-18,268.88-12,031.32

Finding the Fourth Proportional to 12,252.44, 18,268.88 and 12,031.32

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Solution

The fourth proportional to 12,252.44, 18,268.88 and 12,031.32 is: 17,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.44 : 18,268.88 = 12,031.32 : x
  2. Step 2: Convert to fraction form
    12,252.44/18,268.88 = 12,031.32/x
  3. Step 3: Cross multiply
    12,252.44x = 18,268.88 × 12,031.32
  4. Step 4: Simplify right side
    12,252.44x = 219,798,741.32
  5. Step 5: Solve for x
    x = 219,798,741.32/12,252.44
  6. Step 6: Final answer
    x = 17,939.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.