Home / 25,943.50-38,924.44-12,805.09

Finding the Fourth Proportional to 25,943.50, 38,924.44 and 12,805.09

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Solution

The fourth proportional to 25,943.50, 38,924.44 and 12,805.09 is: 19,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.50 : 38,924.44 = 12,805.09 : x
  2. Step 2: Convert to fraction form
    25,943.50/38,924.44 = 12,805.09/x
  3. Step 3: Cross multiply
    25,943.50x = 38,924.44 × 12,805.09
  4. Step 4: Simplify right side
    25,943.50x = 498,430,957.40
  5. Step 5: Solve for x
    x = 498,430,957.40/25,943.50
  6. Step 6: Final answer
    x = 19,212.17

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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.