Home / 16,119.42-22,245.79-9,045.84

Finding the Fourth Proportional to 16,119.42, 22,245.79 and 9,045.84

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Solution

The fourth proportional to 16,119.42, 22,245.79 and 9,045.84 is: 12,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.42 : 22,245.79 = 9,045.84 : x
  2. Step 2: Convert to fraction form
    16,119.42/22,245.79 = 9,045.84/x
  3. Step 3: Cross multiply
    16,119.42x = 22,245.79 × 9,045.84
  4. Step 4: Simplify right side
    16,119.42x = 201,231,934.78
  5. Step 5: Solve for x
    x = 201,231,934.78/16,119.42
  6. Step 6: Final answer
    x = 12,483.82

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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.