Home / 14,051.82-21,080.76-4,191.66

Finding the Fourth Proportional to 14,051.82, 21,080.76 and 4,191.66

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Solution

The fourth proportional to 14,051.82, 21,080.76 and 4,191.66 is: 6,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.82 : 21,080.76 = 4,191.66 : x
  2. Step 2: Convert to fraction form
    14,051.82/21,080.76 = 4,191.66/x
  3. Step 3: Cross multiply
    14,051.82x = 21,080.76 × 4,191.66
  4. Step 4: Simplify right side
    14,051.82x = 88,363,378.46
  5. Step 5: Solve for x
    x = 88,363,378.46/14,051.82
  6. Step 6: Final answer
    x = 6,288.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.