Home / 14,236.20-19,645.97-7,948.58

Finding the Fourth Proportional to 14,236.20, 19,645.97 and 7,948.58

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Solution

The fourth proportional to 14,236.20, 19,645.97 and 7,948.58 is: 10,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.20 : 19,645.97 = 7,948.58 : x
  2. Step 2: Convert to fraction form
    14,236.20/19,645.97 = 7,948.58/x
  3. Step 3: Cross multiply
    14,236.20x = 19,645.97 × 7,948.58
  4. Step 4: Simplify right side
    14,236.20x = 156,157,564.22
  5. Step 5: Solve for x
    x = 156,157,564.22/14,236.20
  6. Step 6: Final answer
    x = 10,969.05

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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.