Home / 18,238.12-25,168.64-9,854.64

Finding the Fourth Proportional to 18,238.12, 25,168.64 and 9,854.64

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Solution

The fourth proportional to 18,238.12, 25,168.64 and 9,854.64 is: 13,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.12 : 25,168.64 = 9,854.64 : x
  2. Step 2: Convert to fraction form
    18,238.12/25,168.64 = 9,854.64/x
  3. Step 3: Cross multiply
    18,238.12x = 25,168.64 × 9,854.64
  4. Step 4: Simplify right side
    18,238.12x = 248,027,886.49
  5. Step 5: Solve for x
    x = 248,027,886.49/18,238.12
  6. Step 6: Final answer
    x = 13,599.42

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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.