Home / 13,556.17-20,330.34-4,671.14

Finding the Fourth Proportional to 13,556.17, 20,330.34 and 4,671.14

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Solution

The fourth proportional to 13,556.17, 20,330.34 and 4,671.14 is: 7,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.17 : 20,330.34 = 4,671.14 : x
  2. Step 2: Convert to fraction form
    13,556.17/20,330.34 = 4,671.14/x
  3. Step 3: Cross multiply
    13,556.17x = 20,330.34 × 4,671.14
  4. Step 4: Simplify right side
    13,556.17x = 94,965,745.22
  5. Step 5: Solve for x
    x = 94,965,745.22/13,556.17
  6. Step 6: Final answer
    x = 7,005.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.