Home / 20,022.74-27,631.08-11,070.06

Finding the Fourth Proportional to 20,022.74, 27,631.08 and 11,070.06

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Solution

The fourth proportional to 20,022.74, 27,631.08 and 11,070.06 is: 15,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.74 : 27,631.08 = 11,070.06 : x
  2. Step 2: Convert to fraction form
    20,022.74/27,631.08 = 11,070.06/x
  3. Step 3: Cross multiply
    20,022.74x = 27,631.08 × 11,070.06
  4. Step 4: Simplify right side
    20,022.74x = 305,877,713.46
  5. Step 5: Solve for x
    x = 305,877,713.46/20,022.74
  6. Step 6: Final answer
    x = 15,276.52

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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.