Home / 22,133.09-30,540.97-12,569.56

Finding the Fourth Proportional to 22,133.09, 30,540.97 and 12,569.56

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Solution

The fourth proportional to 22,133.09, 30,540.97 and 12,569.56 is: 17,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.09 : 30,540.97 = 12,569.56 : x
  2. Step 2: Convert to fraction form
    22,133.09/30,540.97 = 12,569.56/x
  3. Step 3: Cross multiply
    22,133.09x = 30,540.97 × 12,569.56
  4. Step 4: Simplify right side
    22,133.09x = 383,886,554.87
  5. Step 5: Solve for x
    x = 383,886,554.87/22,133.09
  6. Step 6: Final answer
    x = 17,344.46

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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.