Home / 25,349.32-38,007.78-12,175.48

Finding the Fourth Proportional to 25,349.32, 38,007.78 and 12,175.48

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Solution

The fourth proportional to 25,349.32, 38,007.78 and 12,175.48 is: 18,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.32 : 38,007.78 = 12,175.48 : x
  2. Step 2: Convert to fraction form
    25,349.32/38,007.78 = 12,175.48/x
  3. Step 3: Cross multiply
    25,349.32x = 38,007.78 × 12,175.48
  4. Step 4: Simplify right side
    25,349.32x = 462,762,965.23
  5. Step 5: Solve for x
    x = 462,762,965.23/25,349.32
  6. Step 6: Final answer
    x = 18,255.44

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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.