Home / 21,933.79-30,233.07-17,145.27

Finding the Fourth Proportional to 21,933.79, 30,233.07 and 17,145.27

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Solution

The fourth proportional to 21,933.79, 30,233.07 and 17,145.27 is: 23,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933.79 : 30,233.07 = 17,145.27 : x
  2. Step 2: Convert to fraction form
    21,933.79/30,233.07 = 17,145.27/x
  3. Step 3: Cross multiply
    21,933.79x = 30,233.07 × 17,145.27
  4. Step 4: Simplify right side
    21,933.79x = 518,354,148.08
  5. Step 5: Solve for x
    x = 518,354,148.08/21,933.79
  6. Step 6: Final answer
    x = 23,632.68

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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.