Home / 25,240.64-37,884.38-12,769.47

Finding the Fourth Proportional to 25,240.64, 37,884.38 and 12,769.47

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Solution

The fourth proportional to 25,240.64, 37,884.38 and 12,769.47 is: 19,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.64 : 37,884.38 = 12,769.47 : x
  2. Step 2: Convert to fraction form
    25,240.64/37,884.38 = 12,769.47/x
  3. Step 3: Cross multiply
    25,240.64x = 37,884.38 × 12,769.47
  4. Step 4: Simplify right side
    25,240.64x = 483,763,390.03
  5. Step 5: Solve for x
    x = 483,763,390.03/25,240.64
  6. Step 6: Final answer
    x = 19,166.05

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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.