Home / 22,231.17-33,309.73-15,643.51

Finding the Fourth Proportional to 22,231.17, 33,309.73 and 15,643.51

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Solution

The fourth proportional to 22,231.17, 33,309.73 and 15,643.51 is: 23,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.17 : 33,309.73 = 15,643.51 : x
  2. Step 2: Convert to fraction form
    22,231.17/33,309.73 = 15,643.51/x
  3. Step 3: Cross multiply
    22,231.17x = 33,309.73 × 15,643.51
  4. Step 4: Simplify right side
    22,231.17x = 521,081,094.35
  5. Step 5: Solve for x
    x = 521,081,094.35/22,231.17
  6. Step 6: Final answer
    x = 23,439.21

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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.