Home / 17,511.24-26,209.34-13,328.68

Finding the Fourth Proportional to 17,511.24, 26,209.34 and 13,328.68

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Solution

The fourth proportional to 17,511.24, 26,209.34 and 13,328.68 is: 19,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.24 : 26,209.34 = 13,328.68 : x
  2. Step 2: Convert to fraction form
    17,511.24/26,209.34 = 13,328.68/x
  3. Step 3: Cross multiply
    17,511.24x = 26,209.34 × 13,328.68
  4. Step 4: Simplify right side
    17,511.24x = 349,335,905.87
  5. Step 5: Solve for x
    x = 349,335,905.87/17,511.24
  6. Step 6: Final answer
    x = 19,949.24

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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.