Home / 18,215.94-27,318.33-5,069.28

Finding the Fourth Proportional to 18,215.94, 27,318.33 and 5,069.28

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Solution

The fourth proportional to 18,215.94, 27,318.33 and 5,069.28 is: 7,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.94 : 27,318.33 = 5,069.28 : x
  2. Step 2: Convert to fraction form
    18,215.94/27,318.33 = 5,069.28/x
  3. Step 3: Cross multiply
    18,215.94x = 27,318.33 × 5,069.28
  4. Step 4: Simplify right side
    18,215.94x = 138,484,263.90
  5. Step 5: Solve for x
    x = 138,484,263.90/18,215.94
  6. Step 6: Final answer
    x = 7,602.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.