Home / 20,018.11-27,624.13-10,943.31

Finding the Fourth Proportional to 20,018.11, 27,624.13 and 10,943.31

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Solution

The fourth proportional to 20,018.11, 27,624.13 and 10,943.31 is: 15,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.11 : 27,624.13 = 10,943.31 : x
  2. Step 2: Convert to fraction form
    20,018.11/27,624.13 = 10,943.31/x
  3. Step 3: Cross multiply
    20,018.11x = 27,624.13 × 10,943.31
  4. Step 4: Simplify right side
    20,018.11x = 302,299,338.17
  5. Step 5: Solve for x
    x = 302,299,338.17/20,018.11
  6. Step 6: Final answer
    x = 15,101.29

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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.