Home / 14,340.09-19,789.46-8,370.60

Finding the Fourth Proportional to 14,340.09, 19,789.46 and 8,370.60

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Solution

The fourth proportional to 14,340.09, 19,789.46 and 8,370.60 is: 11,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.09 : 19,789.46 = 8,370.60 : x
  2. Step 2: Convert to fraction form
    14,340.09/19,789.46 = 8,370.60/x
  3. Step 3: Cross multiply
    14,340.09x = 19,789.46 × 8,370.60
  4. Step 4: Simplify right side
    14,340.09x = 165,649,612.02
  5. Step 5: Solve for x
    x = 165,649,612.02/14,340.09
  6. Step 6: Final answer
    x = 11,551.50

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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.