Home / 19,205.88-26,501.28-11,139.19

Finding the Fourth Proportional to 19,205.88, 26,501.28 and 11,139.19

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Solution

The fourth proportional to 19,205.88, 26,501.28 and 11,139.19 is: 15,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.88 : 26,501.28 = 11,139.19 : x
  2. Step 2: Convert to fraction form
    19,205.88/26,501.28 = 11,139.19/x
  3. Step 3: Cross multiply
    19,205.88x = 26,501.28 × 11,139.19
  4. Step 4: Simplify right side
    19,205.88x = 295,202,793.16
  5. Step 5: Solve for x
    x = 295,202,793.16/19,205.88
  6. Step 6: Final answer
    x = 15,370.44

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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.