Home / 18,366.84-27,551.52-5,220.24

Finding the Fourth Proportional to 18,366.84, 27,551.52 and 5,220.24

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Solution

The fourth proportional to 18,366.84, 27,551.52 and 5,220.24 is: 7,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.84 : 27,551.52 = 5,220.24 : x
  2. Step 2: Convert to fraction form
    18,366.84/27,551.52 = 5,220.24/x
  3. Step 3: Cross multiply
    18,366.84x = 27,551.52 × 5,220.24
  4. Step 4: Simplify right side
    18,366.84x = 143,825,546.76
  5. Step 5: Solve for x
    x = 143,825,546.76/18,366.84
  6. Step 6: Final answer
    x = 7,830.72

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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.