Home / 22,296.87-30,768.85-12,225.08

Finding the Fourth Proportional to 22,296.87, 30,768.85 and 12,225.08

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Solution

The fourth proportional to 22,296.87, 30,768.85 and 12,225.08 is: 16,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.87 : 30,768.85 = 12,225.08 : x
  2. Step 2: Convert to fraction form
    22,296.87/30,768.85 = 12,225.08/x
  3. Step 3: Cross multiply
    22,296.87x = 30,768.85 × 12,225.08
  4. Step 4: Simplify right side
    22,296.87x = 376,151,468.35
  5. Step 5: Solve for x
    x = 376,151,468.35/22,296.87
  6. Step 6: Final answer
    x = 16,870.15

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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.