Home / 13,909.84-19,195.55-7,536.59

Finding the Fourth Proportional to 13,909.84, 19,195.55 and 7,536.59

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Solution

The fourth proportional to 13,909.84, 19,195.55 and 7,536.59 is: 10,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.84 : 19,195.55 = 7,536.59 : x
  2. Step 2: Convert to fraction form
    13,909.84/19,195.55 = 7,536.59/x
  3. Step 3: Cross multiply
    13,909.84x = 19,195.55 × 7,536.59
  4. Step 4: Simplify right side
    13,909.84x = 144,669,107.13
  5. Step 5: Solve for x
    x = 144,669,107.13/13,909.84
  6. Step 6: Final answer
    x = 10,400.49

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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.