Home / 13,824.11-19,077.21-7,536.48

Finding the Fourth Proportional to 13,824.11, 19,077.21 and 7,536.48

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Solution

The fourth proportional to 13,824.11, 19,077.21 and 7,536.48 is: 10,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.11 : 19,077.21 = 7,536.48 : x
  2. Step 2: Convert to fraction form
    13,824.11/19,077.21 = 7,536.48/x
  3. Step 3: Cross multiply
    13,824.11x = 19,077.21 × 7,536.48
  4. Step 4: Simplify right side
    13,824.11x = 143,775,011.62
  5. Step 5: Solve for x
    x = 143,775,011.62/13,824.11
  6. Step 6: Final answer
    x = 10,400.31

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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.