Home / 20,267.01-27,967.75-11,314.28

Finding the Fourth Proportional to 20,267.01, 27,967.75 and 11,314.28

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Solution

The fourth proportional to 20,267.01, 27,967.75 and 11,314.28 is: 15,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.01 : 27,967.75 = 11,314.28 : x
  2. Step 2: Convert to fraction form
    20,267.01/27,967.75 = 11,314.28/x
  3. Step 3: Cross multiply
    20,267.01x = 27,967.75 × 11,314.28
  4. Step 4: Simplify right side
    20,267.01x = 316,434,996.10
  5. Step 5: Solve for x
    x = 316,434,996.10/20,267.01
  6. Step 6: Final answer
    x = 15,613.30

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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.