Home / 20,232.12-27,920.46-11,848.68

Finding the Fourth Proportional to 20,232.12, 27,920.46 and 11,848.68

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Solution

The fourth proportional to 20,232.12, 27,920.46 and 11,848.68 is: 16,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.12 : 27,920.46 = 11,848.68 : x
  2. Step 2: Convert to fraction form
    20,232.12/27,920.46 = 11,848.68/x
  3. Step 3: Cross multiply
    20,232.12x = 27,920.46 × 11,848.68
  4. Step 4: Simplify right side
    20,232.12x = 330,820,595.99
  5. Step 5: Solve for x
    x = 330,820,595.99/20,232.12
  6. Step 6: Final answer
    x = 16,351.26

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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.