Home / 13,791.36-19,031.97-7,503.72

Finding the Fourth Proportional to 13,791.36, 19,031.97 and 7,503.72

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Solution

The fourth proportional to 13,791.36, 19,031.97 and 7,503.72 is: 10,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.36 : 19,031.97 = 7,503.72 : x
  2. Step 2: Convert to fraction form
    13,791.36/19,031.97 = 7,503.72/x
  3. Step 3: Cross multiply
    13,791.36x = 19,031.97 × 7,503.72
  4. Step 4: Simplify right side
    13,791.36x = 142,810,573.93
  5. Step 5: Solve for x
    x = 142,810,573.93/13,791.36
  6. Step 6: Final answer
    x = 10,355.08

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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.