Home / 13,806.20-19,053.35-10,397.11

Finding the Fourth Proportional to 13,806.20, 19,053.35 and 10,397.11

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Solution

The fourth proportional to 13,806.20, 19,053.35 and 10,397.11 is: 14,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.20 : 19,053.35 = 10,397.11 : x
  2. Step 2: Convert to fraction form
    13,806.20/19,053.35 = 10,397.11/x
  3. Step 3: Cross multiply
    13,806.20x = 19,053.35 × 10,397.11
  4. Step 4: Simplify right side
    13,806.20x = 198,099,775.82
  5. Step 5: Solve for x
    x = 198,099,775.82/13,806.20
  6. Step 6: Final answer
    x = 14,348.61

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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.