Home / 25,499.43-35,188.50-14,168.78

Finding the Fourth Proportional to 25,499.43, 35,188.50 and 14,168.78

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Solution

The fourth proportional to 25,499.43, 35,188.50 and 14,168.78 is: 19,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.43 : 35,188.50 = 14,168.78 : x
  2. Step 2: Convert to fraction form
    25,499.43/35,188.50 = 14,168.78/x
  3. Step 3: Cross multiply
    25,499.43x = 35,188.50 × 14,168.78
  4. Step 4: Simplify right side
    25,499.43x = 498,577,939.09
  5. Step 5: Solve for x
    x = 498,577,939.09/25,499.43
  6. Step 6: Final answer
    x = 19,552.51

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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.