Home / 19,286.10-28,898.10-10,941.30

Finding the Fourth Proportional to 19,286.10, 28,898.10 and 10,941.30

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Solution

The fourth proportional to 19,286.10, 28,898.10 and 10,941.30 is: 16,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.10 : 28,898.10 = 10,941.30 : x
  2. Step 2: Convert to fraction form
    19,286.10/28,898.10 = 10,941.30/x
  3. Step 3: Cross multiply
    19,286.10x = 28,898.10 × 10,941.30
  4. Step 4: Simplify right side
    19,286.10x = 316,182,781.53
  5. Step 5: Solve for x
    x = 316,182,781.53/19,286.10
  6. Step 6: Final answer
    x = 16,394.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.