Home / 19,650.08-27,118.32-11,269.28

Finding the Fourth Proportional to 19,650.08, 27,118.32 and 11,269.28

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Solution

The fourth proportional to 19,650.08, 27,118.32 and 11,269.28 is: 15,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.08 : 27,118.32 = 11,269.28 : x
  2. Step 2: Convert to fraction form
    19,650.08/27,118.32 = 11,269.28/x
  3. Step 3: Cross multiply
    19,650.08x = 27,118.32 × 11,269.28
  4. Step 4: Simplify right side
    19,650.08x = 305,603,941.21
  5. Step 5: Solve for x
    x = 305,603,941.21/19,650.08
  6. Step 6: Final answer
    x = 15,552.30

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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.