Home / 16,195.19-22,349.40-9,390.53

Finding the Fourth Proportional to 16,195.19, 22,349.40 and 9,390.53

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Solution

The fourth proportional to 16,195.19, 22,349.40 and 9,390.53 is: 12,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.19 : 22,349.40 = 9,390.53 : x
  2. Step 2: Convert to fraction form
    16,195.19/22,349.40 = 9,390.53/x
  3. Step 3: Cross multiply
    16,195.19x = 22,349.40 × 9,390.53
  4. Step 4: Simplify right side
    16,195.19x = 209,872,658.95
  5. Step 5: Solve for x
    x = 209,872,658.95/16,195.19
  6. Step 6: Final answer
    x = 12,958.95

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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.