Home / 13,909.07-19,194.53-7,535.73

Finding the Fourth Proportional to 13,909.07, 19,194.53 and 7,535.73

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Solution

The fourth proportional to 13,909.07, 19,194.53 and 7,535.73 is: 10,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.07 : 19,194.53 = 7,535.73 : x
  2. Step 2: Convert to fraction form
    13,909.07/19,194.53 = 7,535.73/x
  3. Step 3: Cross multiply
    13,909.07x = 19,194.53 × 7,535.73
  4. Step 4: Simplify right side
    13,909.07x = 144,644,795.56
  5. Step 5: Solve for x
    x = 144,644,795.56/13,909.07
  6. Step 6: Final answer
    x = 10,399.31

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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.