Home / 16,351.90-22,565.30-9,181.98

Finding the Fourth Proportional to 16,351.90, 22,565.30 and 9,181.98

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Solution

The fourth proportional to 16,351.90, 22,565.30 and 9,181.98 is: 12,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,351.90 : 22,565.30 = 9,181.98 : x
  2. Step 2: Convert to fraction form
    16,351.90/22,565.30 = 9,181.98/x
  3. Step 3: Cross multiply
    16,351.90x = 22,565.30 × 9,181.98
  4. Step 4: Simplify right side
    16,351.90x = 207,194,133.29
  5. Step 5: Solve for x
    x = 207,194,133.29/16,351.90
  6. Step 6: Final answer
    x = 12,670.95

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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.