Home / 22,913.49-31,620.99-12,844.17

Finding the Fourth Proportional to 22,913.49, 31,620.99 and 12,844.17

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Solution

The fourth proportional to 22,913.49, 31,620.99 and 12,844.17 is: 17,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.49 : 31,620.99 = 12,844.17 : x
  2. Step 2: Convert to fraction form
    22,913.49/31,620.99 = 12,844.17/x
  3. Step 3: Cross multiply
    22,913.49x = 31,620.99 × 12,844.17
  4. Step 4: Simplify right side
    22,913.49x = 406,145,371.13
  5. Step 5: Solve for x
    x = 406,145,371.13/22,913.49
  6. Step 6: Final answer
    x = 17,725.16

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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.