Home / 13,791.04-19,031.08-7,503.44

Finding the Fourth Proportional to 13,791.04, 19,031.08 and 7,503.44

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Solution

The fourth proportional to 13,791.04, 19,031.08 and 7,503.44 is: 10,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.04 : 19,031.08 = 7,503.44 : x
  2. Step 2: Convert to fraction form
    13,791.04/19,031.08 = 7,503.44/x
  3. Step 3: Cross multiply
    13,791.04x = 19,031.08 × 7,503.44
  4. Step 4: Simplify right side
    13,791.04x = 142,798,566.92
  5. Step 5: Solve for x
    x = 142,798,566.92/13,791.04
  6. Step 6: Final answer
    x = 10,354.45

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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.