Home / 19,103.20-26,422.32-16,895.20

Finding the Fourth Proportional to 19,103.20, 26,422.32 and 16,895.20

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Solution

The fourth proportional to 19,103.20, 26,422.32 and 16,895.20 is: 23,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.20 : 26,422.32 = 16,895.20 : x
  2. Step 2: Convert to fraction form
    19,103.20/26,422.32 = 16,895.20/x
  3. Step 3: Cross multiply
    19,103.20x = 26,422.32 × 16,895.20
  4. Step 4: Simplify right side
    19,103.20x = 446,410,380.86
  5. Step 5: Solve for x
    x = 446,410,380.86/19,103.20
  6. Step 6: Final answer
    x = 23,368.36

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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.