Home / 19,447.72-26,781.38-16,894.32

Finding the Fourth Proportional to 19,447.72, 26,781.38 and 16,894.32

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Solution

The fourth proportional to 19,447.72, 26,781.38 and 16,894.32 is: 23,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.72 : 26,781.38 = 16,894.32 : x
  2. Step 2: Convert to fraction form
    19,447.72/26,781.38 = 16,894.32/x
  3. Step 3: Cross multiply
    19,447.72x = 26,781.38 × 16,894.32
  4. Step 4: Simplify right side
    19,447.72x = 452,453,177.24
  5. Step 5: Solve for x
    x = 452,453,177.24/19,447.72
  6. Step 6: Final answer
    x = 23,265.10

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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.