Home / 16,438.14-22,679.09-9,359.55

Finding the Fourth Proportional to 16,438.14, 22,679.09 and 9,359.55

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Solution

The fourth proportional to 16,438.14, 22,679.09 and 9,359.55 is: 12,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.14 : 22,679.09 = 9,359.55 : x
  2. Step 2: Convert to fraction form
    16,438.14/22,679.09 = 9,359.55/x
  3. Step 3: Cross multiply
    16,438.14x = 22,679.09 × 9,359.55
  4. Step 4: Simplify right side
    16,438.14x = 212,266,076.81
  5. Step 5: Solve for x
    x = 212,266,076.81/16,438.14
  6. Step 6: Final answer
    x = 12,913.02

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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.