Home / 15,596.64-21,522.24-8,521.56

Finding the Fourth Proportional to 15,596.64, 21,522.24 and 8,521.56

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Solution

The fourth proportional to 15,596.64, 21,522.24 and 8,521.56 is: 11,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.64 : 21,522.24 = 8,521.56 : x
  2. Step 2: Convert to fraction form
    15,596.64/21,522.24 = 8,521.56/x
  3. Step 3: Cross multiply
    15,596.64x = 21,522.24 × 8,521.56
  4. Step 4: Simplify right side
    15,596.64x = 183,403,059.49
  5. Step 5: Solve for x
    x = 183,403,059.49/15,596.64
  6. Step 6: Final answer
    x = 11,759.14

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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.