Home / 21,447.59-29,597.65-12,016.22

Finding the Fourth Proportional to 21,447.59, 29,597.65 and 12,016.22

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Solution

The fourth proportional to 21,447.59, 29,597.65 and 12,016.22 is: 16,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.59 : 29,597.65 = 12,016.22 : x
  2. Step 2: Convert to fraction form
    21,447.59/29,597.65 = 12,016.22/x
  3. Step 3: Cross multiply
    21,447.59x = 29,597.65 × 12,016.22
  4. Step 4: Simplify right side
    21,447.59x = 355,651,695.85
  5. Step 5: Solve for x
    x = 355,651,695.85/21,447.59
  6. Step 6: Final answer
    x = 16,582.37

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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.