Home / 21,596.85-29,806.08-12,037.61

Finding the Fourth Proportional to 21,596.85, 29,806.08 and 12,037.61

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Solution

The fourth proportional to 21,596.85, 29,806.08 and 12,037.61 is: 16,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596.85 : 29,806.08 = 12,037.61 : x
  2. Step 2: Convert to fraction form
    21,596.85/29,806.08 = 12,037.61/x
  3. Step 3: Cross multiply
    21,596.85x = 29,806.08 × 12,037.61
  4. Step 4: Simplify right side
    21,596.85x = 358,793,996.04
  5. Step 5: Solve for x
    x = 358,793,996.04/21,596.85
  6. Step 6: Final answer
    x = 16,613.26

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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.