Home / 13,038.08-19,556.88-3,177.34

Finding the Fourth Proportional to 13,038.08, 19,556.88 and 3,177.34

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Solution

The fourth proportional to 13,038.08, 19,556.88 and 3,177.34 is: 4,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.08 : 19,556.88 = 3,177.34 : x
  2. Step 2: Convert to fraction form
    13,038.08/19,556.88 = 3,177.34/x
  3. Step 3: Cross multiply
    13,038.08x = 19,556.88 × 3,177.34
  4. Step 4: Simplify right side
    13,038.08x = 62,138,857.10
  5. Step 5: Solve for x
    x = 62,138,857.10/13,038.08
  6. Step 6: Final answer
    x = 4,765.95

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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.