Home / 14,618.07-21,920.73-5,257.71

Finding the Fourth Proportional to 14,618.07, 21,920.73 and 5,257.71

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Solution

The fourth proportional to 14,618.07, 21,920.73 and 5,257.71 is: 7,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.07 : 21,920.73 = 5,257.71 : x
  2. Step 2: Convert to fraction form
    14,618.07/21,920.73 = 5,257.71/x
  3. Step 3: Cross multiply
    14,618.07x = 21,920.73 × 5,257.71
  4. Step 4: Simplify right side
    14,618.07x = 115,252,821.61
  5. Step 5: Solve for x
    x = 115,252,821.61/14,618.07
  6. Step 6: Final answer
    x = 7,884.27

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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.