Home / 14,101.14-19,461.61-8,131.62

Finding the Fourth Proportional to 14,101.14, 19,461.61 and 8,131.62

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Solution

The fourth proportional to 14,101.14, 19,461.61 and 8,131.62 is: 11,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.14 : 19,461.61 = 8,131.62 : x
  2. Step 2: Convert to fraction form
    14,101.14/19,461.61 = 8,131.62/x
  3. Step 3: Cross multiply
    14,101.14x = 19,461.61 × 8,131.62
  4. Step 4: Simplify right side
    14,101.14x = 158,254,319.80
  5. Step 5: Solve for x
    x = 158,254,319.80/14,101.14
  6. Step 6: Final answer
    x = 11,222.81

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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.