Home / 25,415.89-35,052.27-20,101.48

Finding the Fourth Proportional to 25,415.89, 35,052.27 and 20,101.48

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Solution

The fourth proportional to 25,415.89, 35,052.27 and 20,101.48 is: 27,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.89 : 35,052.27 = 20,101.48 : x
  2. Step 2: Convert to fraction form
    25,415.89/35,052.27 = 20,101.48/x
  3. Step 3: Cross multiply
    25,415.89x = 35,052.27 × 20,101.48
  4. Step 4: Simplify right side
    25,415.89x = 704,602,504.36
  5. Step 5: Solve for x
    x = 704,602,504.36/25,415.89
  6. Step 6: Final answer
    x = 27,722.91

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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.