Home / 25,571.04-38,349.20-10,783.28

Finding the Fourth Proportional to 25,571.04, 38,349.20 and 10,783.28

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Solution

The fourth proportional to 25,571.04, 38,349.20 and 10,783.28 is: 16,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.04 : 38,349.20 = 10,783.28 : x
  2. Step 2: Convert to fraction form
    25,571.04/38,349.20 = 10,783.28/x
  3. Step 3: Cross multiply
    25,571.04x = 38,349.20 × 10,783.28
  4. Step 4: Simplify right side
    25,571.04x = 413,530,161.38
  5. Step 5: Solve for x
    x = 413,530,161.38/25,571.04
  6. Step 6: Final answer
    x = 16,171.82

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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.