Home / 14,160.95-19,542.61-8,112.27

Finding the Fourth Proportional to 14,160.95, 19,542.61 and 8,112.27

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Solution

The fourth proportional to 14,160.95, 19,542.61 and 8,112.27 is: 11,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.95 : 19,542.61 = 8,112.27 : x
  2. Step 2: Convert to fraction form
    14,160.95/19,542.61 = 8,112.27/x
  3. Step 3: Cross multiply
    14,160.95x = 19,542.61 × 8,112.27
  4. Step 4: Simplify right side
    14,160.95x = 158,534,937.84
  5. Step 5: Solve for x
    x = 158,534,937.84/14,160.95
  6. Step 6: Final answer
    x = 11,195.22

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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.