Home / 13,909.40-19,194.97-7,536.03

Finding the Fourth Proportional to 13,909.40, 19,194.97 and 7,536.03

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Solution

The fourth proportional to 13,909.40, 19,194.97 and 7,536.03 is: 10,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.40 : 19,194.97 = 7,536.03 : x
  2. Step 2: Convert to fraction form
    13,909.40/19,194.97 = 7,536.03/x
  3. Step 3: Cross multiply
    13,909.40x = 19,194.97 × 7,536.03
  4. Step 4: Simplify right side
    13,909.40x = 144,653,882.25
  5. Step 5: Solve for x
    x = 144,653,882.25/13,909.40
  6. Step 6: Final answer
    x = 10,399.72

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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.