Home / 25,763.05-38,643.56-9,122.41

Finding the Fourth Proportional to 25,763.05, 38,643.56 and 9,122.41

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Solution

The fourth proportional to 25,763.05, 38,643.56 and 9,122.41 is: 13,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763.05 : 38,643.56 = 9,122.41 : x
  2. Step 2: Convert to fraction form
    25,763.05/38,643.56 = 9,122.41/x
  3. Step 3: Cross multiply
    25,763.05x = 38,643.56 × 9,122.41
  4. Step 4: Simplify right side
    25,763.05x = 352,522,398.18
  5. Step 5: Solve for x
    x = 352,522,398.18/25,763.05
  6. Step 6: Final answer
    x = 13,683.26

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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.