Home / 25,040.36-37,505.86-10,981.60

Finding the Fourth Proportional to 25,040.36, 37,505.86 and 10,981.60

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Solution

The fourth proportional to 25,040.36, 37,505.86 and 10,981.60 is: 16,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.36 : 37,505.86 = 10,981.60 : x
  2. Step 2: Convert to fraction form
    25,040.36/37,505.86 = 10,981.60/x
  3. Step 3: Cross multiply
    25,040.36x = 37,505.86 × 10,981.60
  4. Step 4: Simplify right side
    25,040.36x = 411,874,230.96
  5. Step 5: Solve for x
    x = 411,874,230.96/25,040.36
  6. Step 6: Final answer
    x = 16,448.41

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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.