Home / 14,612.60-20,165.34-8,326.04

Finding the Fourth Proportional to 14,612.60, 20,165.34 and 8,326.04

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Solution

The fourth proportional to 14,612.60, 20,165.34 and 8,326.04 is: 11,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.60 : 20,165.34 = 8,326.04 : x
  2. Step 2: Convert to fraction form
    14,612.60/20,165.34 = 8,326.04/x
  3. Step 3: Cross multiply
    14,612.60x = 20,165.34 × 8,326.04
  4. Step 4: Simplify right side
    14,612.60x = 167,897,427.45
  5. Step 5: Solve for x
    x = 167,897,427.45/14,612.60
  6. Step 6: Final answer
    x = 11,489.91

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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.