Home / 25,449.05-35,119.67-14,120.28

Finding the Fourth Proportional to 25,449.05, 35,119.67 and 14,120.28

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Solution

The fourth proportional to 25,449.05, 35,119.67 and 14,120.28 is: 19,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.05 : 35,119.67 = 14,120.28 : x
  2. Step 2: Convert to fraction form
    25,449.05/35,119.67 = 14,120.28/x
  3. Step 3: Cross multiply
    25,449.05x = 35,119.67 × 14,120.28
  4. Step 4: Simplify right side
    25,449.05x = 495,899,503.31
  5. Step 5: Solve for x
    x = 495,899,503.31/25,449.05
  6. Step 6: Final answer
    x = 19,485.97

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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.