Home / 22,185.24-30,573.54-15,886.68

Finding the Fourth Proportional to 22,185.24, 30,573.54 and 15,886.68

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Solution

The fourth proportional to 22,185.24, 30,573.54 and 15,886.68 is: 21,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.24 : 30,573.54 = 15,886.68 : x
  2. Step 2: Convert to fraction form
    22,185.24/30,573.54 = 15,886.68/x
  3. Step 3: Cross multiply
    22,185.24x = 30,573.54 × 15,886.68
  4. Step 4: Simplify right side
    22,185.24x = 485,712,046.45
  5. Step 5: Solve for x
    x = 485,712,046.45/22,185.24
  6. Step 6: Final answer
    x = 21,893.48

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Half scale
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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.