Home / 19,209.57-28,818.26-10,893.30

Finding the Fourth Proportional to 19,209.57, 28,818.26 and 10,893.30

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Solution

The fourth proportional to 19,209.57, 28,818.26 and 10,893.30 is: 16,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.57 : 28,818.26 = 10,893.30 : x
  2. Step 2: Convert to fraction form
    19,209.57/28,818.26 = 10,893.30/x
  3. Step 3: Cross multiply
    19,209.57x = 28,818.26 × 10,893.30
  4. Step 4: Simplify right side
    19,209.57x = 313,925,951.66
  5. Step 5: Solve for x
    x = 313,925,951.66/19,209.57
  6. Step 6: Final answer
    x = 16,342.16

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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.