Home / 14,155.17-19,531.35-8,107.26

Finding the Fourth Proportional to 14,155.17, 19,531.35 and 8,107.26

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Solution

The fourth proportional to 14,155.17, 19,531.35 and 8,107.26 is: 11,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.17 : 19,531.35 = 8,107.26 : x
  2. Step 2: Convert to fraction form
    14,155.17/19,531.35 = 8,107.26/x
  3. Step 3: Cross multiply
    14,155.17x = 19,531.35 × 8,107.26
  4. Step 4: Simplify right side
    14,155.17x = 158,345,732.60
  5. Step 5: Solve for x
    x = 158,345,732.60/14,155.17
  6. Step 6: Final answer
    x = 11,186.42

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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.