Home / 22,189.91-30,569.99-15,463.31

Finding the Fourth Proportional to 22,189.91, 30,569.99 and 15,463.31

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Solution

The fourth proportional to 22,189.91, 30,569.99 and 15,463.31 is: 21,303.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189.91 : 30,569.99 = 15,463.31 : x
  2. Step 2: Convert to fraction form
    22,189.91/30,569.99 = 15,463.31/x
  3. Step 3: Cross multiply
    22,189.91x = 30,569.99 × 15,463.31
  4. Step 4: Simplify right side
    22,189.91x = 472,713,001.90
  5. Step 5: Solve for x
    x = 472,713,001.90/22,189.91
  6. Step 6: Final answer
    x = 21,303.07

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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.