Home / 20,161.84-27,807.94-17,895.56

Finding the Fourth Proportional to 20,161.84, 27,807.94 and 17,895.56

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Solution

The fourth proportional to 20,161.84, 27,807.94 and 17,895.56 is: 24,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.84 : 27,807.94 = 17,895.56 : x
  2. Step 2: Convert to fraction form
    20,161.84/27,807.94 = 17,895.56/x
  3. Step 3: Cross multiply
    20,161.84x = 27,807.94 × 17,895.56
  4. Step 4: Simplify right side
    20,161.84x = 497,638,658.75
  5. Step 5: Solve for x
    x = 497,638,658.75/20,161.84
  6. Step 6: Final answer
    x = 24,682.20

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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.