Home / 22,325.87-30,809.61-12,254.47

Finding the Fourth Proportional to 22,325.87, 30,809.61 and 12,254.47

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Solution

The fourth proportional to 22,325.87, 30,809.61 and 12,254.47 is: 16,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.87 : 30,809.61 = 12,254.47 : x
  2. Step 2: Convert to fraction form
    22,325.87/30,809.61 = 12,254.47/x
  3. Step 3: Cross multiply
    22,325.87x = 30,809.61 × 12,254.47
  4. Step 4: Simplify right side
    22,325.87x = 377,555,226.14
  5. Step 5: Solve for x
    x = 377,555,226.14/22,325.87
  6. Step 6: Final answer
    x = 16,911.11

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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.