Home / 20,141.84-27,788.16-14,849.28

Finding the Fourth Proportional to 20,141.84, 27,788.16 and 14,849.28

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Solution

The fourth proportional to 20,141.84, 27,788.16 and 14,849.28 is: 20,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.84 : 27,788.16 = 14,849.28 : x
  2. Step 2: Convert to fraction form
    20,141.84/27,788.16 = 14,849.28/x
  3. Step 3: Cross multiply
    20,141.84x = 27,788.16 × 14,849.28
  4. Step 4: Simplify right side
    20,141.84x = 412,634,168.52
  5. Step 5: Solve for x
    x = 412,634,168.52/20,141.84
  6. Step 6: Final answer
    x = 20,486.42

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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.