Home / 18,262.52-25,202.28-9,879.02

Finding the Fourth Proportional to 18,262.52, 25,202.28 and 9,879.02

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Solution

The fourth proportional to 18,262.52, 25,202.28 and 9,879.02 is: 13,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.52 : 25,202.28 = 9,879.02 : x
  2. Step 2: Convert to fraction form
    18,262.52/25,202.28 = 9,879.02/x
  3. Step 3: Cross multiply
    18,262.52x = 25,202.28 × 9,879.02
  4. Step 4: Simplify right side
    18,262.52x = 248,973,828.17
  5. Step 5: Solve for x
    x = 248,973,828.17/18,262.52
  6. Step 6: Final answer
    x = 13,633.05

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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.