Home / 45,214.56-67,814.10-11,934.99

Finding the Fourth Proportional to 45,214.56, 67,814.10 and 11,934.99

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Solution

The fourth proportional to 45,214.56, 67,814.10 and 11,934.99 is: 17,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,214.56 : 67,814.10 = 11,934.99 : x
  2. Step 2: Convert to fraction form
    45,214.56/67,814.10 = 11,934.99/x
  3. Step 3: Cross multiply
    45,214.56x = 67,814.10 × 11,934.99
  4. Step 4: Simplify right side
    45,214.56x = 809,360,605.36
  5. Step 5: Solve for x
    x = 809,360,605.36/45,214.56
  6. Step 6: Final answer
    x = 17,900.44

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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.