Home / 16,260.72-22,442.16-9,190.08

Finding the Fourth Proportional to 16,260.72, 22,442.16 and 9,190.08

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Solution

The fourth proportional to 16,260.72, 22,442.16 and 9,190.08 is: 12,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.72 : 22,442.16 = 9,190.08 : x
  2. Step 2: Convert to fraction form
    16,260.72/22,442.16 = 9,190.08/x
  3. Step 3: Cross multiply
    16,260.72x = 22,442.16 × 9,190.08
  4. Step 4: Simplify right side
    16,260.72x = 206,245,245.77
  5. Step 5: Solve for x
    x = 206,245,245.77/16,260.72
  6. Step 6: Final answer
    x = 12,683.65

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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.