Home / 20,015.47-27,621.09-11,063.14

Finding the Fourth Proportional to 20,015.47, 27,621.09 and 11,063.14

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Solution

The fourth proportional to 20,015.47, 27,621.09 and 11,063.14 is: 15,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.47 : 27,621.09 = 11,063.14 : x
  2. Step 2: Convert to fraction form
    20,015.47/27,621.09 = 11,063.14/x
  3. Step 3: Cross multiply
    20,015.47x = 27,621.09 × 11,063.14
  4. Step 4: Simplify right side
    20,015.47x = 305,575,985.62
  5. Step 5: Solve for x
    x = 305,575,985.62/20,015.47
  6. Step 6: Final answer
    x = 15,266.99

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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.