Home / 19,216.04-26,515.86-11,671.88

Finding the Fourth Proportional to 19,216.04, 26,515.86 and 11,671.88

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Solution

The fourth proportional to 19,216.04, 26,515.86 and 11,671.88 is: 16,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.04 : 26,515.86 = 11,671.88 : x
  2. Step 2: Convert to fraction form
    19,216.04/26,515.86 = 11,671.88/x
  3. Step 3: Cross multiply
    19,216.04x = 26,515.86 × 11,671.88
  4. Step 4: Simplify right side
    19,216.04x = 309,489,936.02
  5. Step 5: Solve for x
    x = 309,489,936.02/19,216.04
  6. Step 6: Final answer
    x = 16,105.81

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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.