Home / 25,380.27-35,025.21-14,769.68

Finding the Fourth Proportional to 25,380.27, 35,025.21 and 14,769.68

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Solution

The fourth proportional to 25,380.27, 35,025.21 and 14,769.68 is: 20,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.27 : 35,025.21 = 14,769.68 : x
  2. Step 2: Convert to fraction form
    25,380.27/35,025.21 = 14,769.68/x
  3. Step 3: Cross multiply
    25,380.27x = 35,025.21 × 14,769.68
  4. Step 4: Simplify right side
    25,380.27x = 517,310,968.51
  5. Step 5: Solve for x
    x = 517,310,968.51/25,380.27
  6. Step 6: Final answer
    x = 20,382.41

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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.