Home / 25,450.93-35,121.09-14,120.30

Finding the Fourth Proportional to 25,450.93, 35,121.09 and 14,120.30

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Solution

The fourth proportional to 25,450.93, 35,121.09 and 14,120.30 is: 19,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.93 : 35,121.09 = 14,120.30 : x
  2. Step 2: Convert to fraction form
    25,450.93/35,121.09 = 14,120.30/x
  3. Step 3: Cross multiply
    25,450.93x = 35,121.09 × 14,120.30
  4. Step 4: Simplify right side
    25,450.93x = 495,920,327.13
  5. Step 5: Solve for x
    x = 495,920,327.13/25,450.93
  6. Step 6: Final answer
    x = 19,485.36

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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.