Home / 16,194.10-22,347.48-9,120.55

Finding the Fourth Proportional to 16,194.10, 22,347.48 and 9,120.55

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Solution

The fourth proportional to 16,194.10, 22,347.48 and 9,120.55 is: 12,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,194.10 : 22,347.48 = 9,120.55 : x
  2. Step 2: Convert to fraction form
    16,194.10/22,347.48 = 9,120.55/x
  3. Step 3: Cross multiply
    16,194.10x = 22,347.48 × 9,120.55
  4. Step 4: Simplify right side
    16,194.10x = 203,821,308.71
  5. Step 5: Solve for x
    x = 203,821,308.71/16,194.10
  6. Step 6: Final answer
    x = 12,586.15

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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.