Home / 25,705.06-38,557.18-8,174.63

Finding the Fourth Proportional to 25,705.06, 38,557.18 and 8,174.63

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Solution

The fourth proportional to 25,705.06, 38,557.18 and 8,174.63 is: 12,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.06 : 38,557.18 = 8,174.63 : x
  2. Step 2: Convert to fraction form
    25,705.06/38,557.18 = 8,174.63/x
  3. Step 3: Cross multiply
    25,705.06x = 38,557.18 × 8,174.63
  4. Step 4: Simplify right side
    25,705.06x = 315,190,786.95
  5. Step 5: Solve for x
    x = 315,190,786.95/25,705.06
  6. Step 6: Final answer
    x = 12,261.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.