Home / 15,896.49-21,937.22-8,822.98

Finding the Fourth Proportional to 15,896.49, 21,937.22 and 8,822.98

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Solution

The fourth proportional to 15,896.49, 21,937.22 and 8,822.98 is: 12,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.49 : 21,937.22 = 8,822.98 : x
  2. Step 2: Convert to fraction form
    15,896.49/21,937.22 = 8,822.98/x
  3. Step 3: Cross multiply
    15,896.49x = 21,937.22 × 8,822.98
  4. Step 4: Simplify right side
    15,896.49x = 193,551,653.32
  5. Step 5: Solve for x
    x = 193,551,653.32/15,896.49
  6. Step 6: Final answer
    x = 12,175.75

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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.