Home / 18,238.08-25,168.52-9,854.56

Finding the Fourth Proportional to 18,238.08, 25,168.52 and 9,854.56

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Solution

The fourth proportional to 18,238.08, 25,168.52 and 9,854.56 is: 13,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.08 : 25,168.52 = 9,854.56 : x
  2. Step 2: Convert to fraction form
    18,238.08/25,168.52 = 9,854.56/x
  3. Step 3: Cross multiply
    18,238.08x = 25,168.52 × 9,854.56
  4. Step 4: Simplify right side
    18,238.08x = 248,024,690.45
  5. Step 5: Solve for x
    x = 248,024,690.45/18,238.08
  6. Step 6: Final answer
    x = 13,599.28

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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.