Home / 25,504.20-35,190.03-15,432.39

Finding the Fourth Proportional to 25,504.20, 35,190.03 and 15,432.39

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Solution

The fourth proportional to 25,504.20, 35,190.03 and 15,432.39 is: 21,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.20 : 35,190.03 = 15,432.39 : x
  2. Step 2: Convert to fraction form
    25,504.20/35,190.03 = 15,432.39/x
  3. Step 3: Cross multiply
    25,504.20x = 35,190.03 × 15,432.39
  4. Step 4: Simplify right side
    25,504.20x = 543,066,267.07
  5. Step 5: Solve for x
    x = 543,066,267.07/25,504.20
  6. Step 6: Final answer
    x = 21,293.21

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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.