Home / 19,874.61-27,426.41-10,922.12

Finding the Fourth Proportional to 19,874.61, 27,426.41 and 10,922.12

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Solution

The fourth proportional to 19,874.61, 27,426.41 and 10,922.12 is: 15,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.61 : 27,426.41 = 10,922.12 : x
  2. Step 2: Convert to fraction form
    19,874.61/27,426.41 = 10,922.12/x
  3. Step 3: Cross multiply
    19,874.61x = 27,426.41 × 10,922.12
  4. Step 4: Simplify right side
    19,874.61x = 299,554,349.45
  5. Step 5: Solve for x
    x = 299,554,349.45/19,874.61
  6. Step 6: Final answer
    x = 15,072.21

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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.