Home / 20,941.14-28,869.03-16,654.62

Finding the Fourth Proportional to 20,941.14, 28,869.03 and 16,654.62

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Solution

The fourth proportional to 20,941.14, 28,869.03 and 16,654.62 is: 22,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.14 : 28,869.03 = 16,654.62 : x
  2. Step 2: Convert to fraction form
    20,941.14/28,869.03 = 16,654.62/x
  3. Step 3: Cross multiply
    20,941.14x = 28,869.03 × 16,654.62
  4. Step 4: Simplify right side
    20,941.14x = 480,802,724.42
  5. Step 5: Solve for x
    x = 480,802,724.42/20,941.14
  6. Step 6: Final answer
    x = 22,959.72

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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.