Home / 25,548.20-35,257.20-15,474.50

Finding the Fourth Proportional to 25,548.20, 35,257.20 and 15,474.50

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Solution

The fourth proportional to 25,548.20, 35,257.20 and 15,474.50 is: 21,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.20 : 35,257.20 = 15,474.50 : x
  2. Step 2: Convert to fraction form
    25,548.20/35,257.20 = 15,474.50/x
  3. Step 3: Cross multiply
    25,548.20x = 35,257.20 × 15,474.50
  4. Step 4: Simplify right side
    25,548.20x = 545,587,541.40
  5. Step 5: Solve for x
    x = 545,587,541.40/25,548.20
  6. Step 6: Final answer
    x = 21,355.22

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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.