Home / 19,552.72-26,987.16-16,403.44

Finding the Fourth Proportional to 19,552.72, 26,987.16 and 16,403.44

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Solution

The fourth proportional to 19,552.72, 26,987.16 and 16,403.44 is: 22,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.72 : 26,987.16 = 16,403.44 : x
  2. Step 2: Convert to fraction form
    19,552.72/26,987.16 = 16,403.44/x
  3. Step 3: Cross multiply
    19,552.72x = 26,987.16 × 16,403.44
  4. Step 4: Simplify right side
    19,552.72x = 442,682,259.83
  5. Step 5: Solve for x
    x = 442,682,259.83/19,552.72
  6. Step 6: Final answer
    x = 22,640.44

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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.