Home / 14,603.82-21,906.18-5,718.78

Finding the Fourth Proportional to 14,603.82, 21,906.18 and 5,718.78

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Solution

The fourth proportional to 14,603.82, 21,906.18 and 5,718.78 is: 8,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.82 : 21,906.18 = 5,718.78 : x
  2. Step 2: Convert to fraction form
    14,603.82/21,906.18 = 5,718.78/x
  3. Step 3: Cross multiply
    14,603.82x = 21,906.18 × 5,718.78
  4. Step 4: Simplify right side
    14,603.82x = 125,276,624.06
  5. Step 5: Solve for x
    x = 125,276,624.06/14,603.82
  6. Step 6: Final answer
    x = 8,578.35

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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.