Home / 22,303.99-30,778.81-12,232.18

Finding the Fourth Proportional to 22,303.99, 30,778.81 and 12,232.18

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Solution

The fourth proportional to 22,303.99, 30,778.81 and 12,232.18 is: 16,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.99 : 30,778.81 = 12,232.18 : x
  2. Step 2: Convert to fraction form
    22,303.99/30,778.81 = 12,232.18/x
  3. Step 3: Cross multiply
    22,303.99x = 30,778.81 × 12,232.18
  4. Step 4: Simplify right side
    22,303.99x = 376,491,944.11
  5. Step 5: Solve for x
    x = 376,491,944.11/22,303.99
  6. Step 6: Final answer
    x = 16,880.03

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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.