Home / 25,886.61-35,724.11-15,272.37

Finding the Fourth Proportional to 25,886.61, 35,724.11 and 15,272.37

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Solution

The fourth proportional to 25,886.61, 35,724.11 and 15,272.37 is: 21,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.61 : 35,724.11 = 15,272.37 : x
  2. Step 2: Convert to fraction form
    25,886.61/35,724.11 = 15,272.37/x
  3. Step 3: Cross multiply
    25,886.61x = 35,724.11 × 15,272.37
  4. Step 4: Simplify right side
    25,886.61x = 545,591,749.48
  5. Step 5: Solve for x
    x = 545,591,749.48/25,886.61
  6. Step 6: Final answer
    x = 21,076.21

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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.