Home / 18,408.15-27,618.14-9,046.26

Finding the Fourth Proportional to 18,408.15, 27,618.14 and 9,046.26

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Solution

The fourth proportional to 18,408.15, 27,618.14 and 9,046.26 is: 13,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.15 : 27,618.14 = 9,046.26 : x
  2. Step 2: Convert to fraction form
    18,408.15/27,618.14 = 9,046.26/x
  3. Step 3: Cross multiply
    18,408.15x = 27,618.14 × 9,046.26
  4. Step 4: Simplify right side
    18,408.15x = 249,840,897.77
  5. Step 5: Solve for x
    x = 249,840,897.77/18,408.15
  6. Step 6: Final answer
    x = 13,572.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.