Home / 25,450.19-35,121.35-14,119.91

Finding the Fourth Proportional to 25,450.19, 35,121.35 and 14,119.91

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Solution

The fourth proportional to 25,450.19, 35,121.35 and 14,119.91 is: 19,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.19 : 35,121.35 = 14,119.91 : x
  2. Step 2: Convert to fraction form
    25,450.19/35,121.35 = 14,119.91/x
  3. Step 3: Cross multiply
    25,450.19x = 35,121.35 × 14,119.91
  4. Step 4: Simplify right side
    25,450.19x = 495,910,054.87
  5. Step 5: Solve for x
    x = 495,910,054.87/25,450.19
  6. Step 6: Final answer
    x = 19,485.52

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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.