Home / 15,963.49-22,029.59-8,891.58

Finding the Fourth Proportional to 15,963.49, 22,029.59 and 8,891.58

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Solution

The fourth proportional to 15,963.49, 22,029.59 and 8,891.58 is: 12,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.49 : 22,029.59 = 8,891.58 : x
  2. Step 2: Convert to fraction form
    15,963.49/22,029.59 = 8,891.58/x
  3. Step 3: Cross multiply
    15,963.49x = 22,029.59 × 8,891.58
  4. Step 4: Simplify right side
    15,963.49x = 195,877,817.39
  5. Step 5: Solve for x
    x = 195,877,817.39/15,963.49
  6. Step 6: Final answer
    x = 12,270.37

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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.