Home / 13,862.76-19,132.56-8,825.37

Finding the Fourth Proportional to 13,862.76, 19,132.56 and 8,825.37

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Solution

The fourth proportional to 13,862.76, 19,132.56 and 8,825.37 is: 12,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.76 : 19,132.56 = 8,825.37 : x
  2. Step 2: Convert to fraction form
    13,862.76/19,132.56 = 8,825.37/x
  3. Step 3: Cross multiply
    13,862.76x = 19,132.56 × 8,825.37
  4. Step 4: Simplify right side
    13,862.76x = 168,851,921.05
  5. Step 5: Solve for x
    x = 168,851,921.05/13,862.76
  6. Step 6: Final answer
    x = 12,180.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.