Home / 15,349.73-23,031.58-7,447.98

Finding the Fourth Proportional to 15,349.73, 23,031.58 and 7,447.98

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Solution

The fourth proportional to 15,349.73, 23,031.58 and 7,447.98 is: 11,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.73 : 23,031.58 = 7,447.98 : x
  2. Step 2: Convert to fraction form
    15,349.73/23,031.58 = 7,447.98/x
  3. Step 3: Cross multiply
    15,349.73x = 23,031.58 × 7,447.98
  4. Step 4: Simplify right side
    15,349.73x = 171,538,747.21
  5. Step 5: Solve for x
    x = 171,538,747.21/15,349.73
  6. Step 6: Final answer
    x = 11,175.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.