Home / 22,175.74-30,560.43-15,877.18

Finding the Fourth Proportional to 22,175.74, 30,560.43 and 15,877.18

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Solution

The fourth proportional to 22,175.74, 30,560.43 and 15,877.18 is: 21,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.74 : 30,560.43 = 15,877.18 : x
  2. Step 2: Convert to fraction form
    22,175.74/30,560.43 = 15,877.18/x
  3. Step 3: Cross multiply
    22,175.74x = 30,560.43 × 15,877.18
  4. Step 4: Simplify right side
    22,175.74x = 485,213,447.99
  5. Step 5: Solve for x
    x = 485,213,447.99/22,175.74
  6. Step 6: Final answer
    x = 21,880.37

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Double 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.