Home / 22,025.07-30,389.33-13,411.15

Finding the Fourth Proportional to 22,025.07, 30,389.33 and 13,411.15

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Solution

The fourth proportional to 22,025.07, 30,389.33 and 13,411.15 is: 18,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.07 : 30,389.33 = 13,411.15 : x
  2. Step 2: Convert to fraction form
    22,025.07/30,389.33 = 13,411.15/x
  3. Step 3: Cross multiply
    22,025.07x = 30,389.33 × 13,411.15
  4. Step 4: Simplify right side
    22,025.07x = 407,555,936.85
  5. Step 5: Solve for x
    x = 407,555,936.85/22,025.07
  6. Step 6: Final answer
    x = 18,504.18

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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.