Home / 14,171.18-19,556.96-8,203.10

Finding the Fourth Proportional to 14,171.18, 19,556.96 and 8,203.10

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Solution

The fourth proportional to 14,171.18, 19,556.96 and 8,203.10 is: 11,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.18 : 19,556.96 = 8,203.10 : x
  2. Step 2: Convert to fraction form
    14,171.18/19,556.96 = 8,203.10/x
  3. Step 3: Cross multiply
    14,171.18x = 19,556.96 × 8,203.10
  4. Step 4: Simplify right side
    14,171.18x = 160,427,698.58
  5. Step 5: Solve for x
    x = 160,427,698.58/14,171.18
  6. Step 6: Final answer
    x = 11,320.70

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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.