Home / 19,827.86-27,371.14-13,882.84

Finding the Fourth Proportional to 19,827.86, 27,371.14 and 13,882.84

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Solution

The fourth proportional to 19,827.86, 27,371.14 and 13,882.84 is: 19,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.86 : 27,371.14 = 13,882.84 : x
  2. Step 2: Convert to fraction form
    19,827.86/27,371.14 = 13,882.84/x
  3. Step 3: Cross multiply
    19,827.86x = 27,371.14 × 13,882.84
  4. Step 4: Simplify right side
    19,827.86x = 379,989,157.24
  5. Step 5: Solve for x
    x = 379,989,157.24/19,827.86
  6. Step 6: Final answer
    x = 19,164.41

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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.