Home / 14,260.12-21,382.53-7,936.99

Finding the Fourth Proportional to 14,260.12, 21,382.53 and 7,936.99

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Solution

The fourth proportional to 14,260.12, 21,382.53 and 7,936.99 is: 11,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.12 : 21,382.53 = 7,936.99 : x
  2. Step 2: Convert to fraction form
    14,260.12/21,382.53 = 7,936.99/x
  3. Step 3: Cross multiply
    14,260.12x = 21,382.53 × 7,936.99
  4. Step 4: Simplify right side
    14,260.12x = 169,712,926.78
  5. Step 5: Solve for x
    x = 169,712,926.78/14,260.12
  6. Step 6: Final answer
    x = 11,901.23

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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.