Home / 15,670.44-21,625.20-8,597.01

Finding the Fourth Proportional to 15,670.44, 21,625.20 and 8,597.01

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Solution

The fourth proportional to 15,670.44, 21,625.20 and 8,597.01 is: 11,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.44 : 21,625.20 = 8,597.01 : x
  2. Step 2: Convert to fraction form
    15,670.44/21,625.20 = 8,597.01/x
  3. Step 3: Cross multiply
    15,670.44x = 21,625.20 × 8,597.01
  4. Step 4: Simplify right side
    15,670.44x = 185,912,060.65
  5. Step 5: Solve for x
    x = 185,912,060.65/15,670.44
  6. Step 6: Final answer
    x = 11,863.87

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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.