Home / 18,816.91-25,968.50-10,433.41

Finding the Fourth Proportional to 18,816.91, 25,968.50 and 10,433.41

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Solution

The fourth proportional to 18,816.91, 25,968.50 and 10,433.41 is: 14,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.91 : 25,968.50 = 10,433.41 : x
  2. Step 2: Convert to fraction form
    18,816.91/25,968.50 = 10,433.41/x
  3. Step 3: Cross multiply
    18,816.91x = 25,968.50 × 10,433.41
  4. Step 4: Simplify right side
    18,816.91x = 270,939,929.62
  5. Step 5: Solve for x
    x = 270,939,929.62/18,816.91
  6. Step 6: Final answer
    x = 14,398.75

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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.