Home / 17,201.20-25,779.12-13,298.08

Finding the Fourth Proportional to 17,201.20, 25,779.12 and 13,298.08

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Solution

The fourth proportional to 17,201.20, 25,779.12 and 13,298.08 is: 19,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.20 : 25,779.12 = 13,298.08 : x
  2. Step 2: Convert to fraction form
    17,201.20/25,779.12 = 13,298.08/x
  3. Step 3: Cross multiply
    17,201.20x = 25,779.12 × 13,298.08
  4. Step 4: Simplify right side
    17,201.20x = 342,812,800.09
  5. Step 5: Solve for x
    x = 342,812,800.09/17,201.20
  6. Step 6: Final answer
    x = 19,929.59

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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.