Home / 16,192.48-22,350-9,479.20

Finding the Fourth Proportional to 16,192.48, 22,350 and 9,479.20

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Solution

The fourth proportional to 16,192.48, 22,350 and 9,479.20 is: 13,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,192.48 : 22,350 = 9,479.20 : x
  2. Step 2: Convert to fraction form
    16,192.48/22,350 = 9,479.20/x
  3. Step 3: Cross multiply
    16,192.48x = 22,350 × 9,479.20
  4. Step 4: Simplify right side
    16,192.48x = 211,860,120.00
  5. Step 5: Solve for x
    x = 211,860,120.00/16,192.48
  6. Step 6: Final answer
    x = 13,083.86

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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.