Home / 15,669.99-21,625.15-8,596.62

Finding the Fourth Proportional to 15,669.99, 21,625.15 and 8,596.62

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Solution

The fourth proportional to 15,669.99, 21,625.15 and 8,596.62 is: 11,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.99 : 21,625.15 = 8,596.62 : x
  2. Step 2: Convert to fraction form
    15,669.99/21,625.15 = 8,596.62/x
  3. Step 3: Cross multiply
    15,669.99x = 21,625.15 × 8,596.62
  4. Step 4: Simplify right side
    15,669.99x = 185,903,272.55
  5. Step 5: Solve for x
    x = 185,903,272.55/15,669.99
  6. Step 6: Final answer
    x = 11,863.65

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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.