Home / 25,031.20-34,540.56-13,852

Finding the Fourth Proportional to 25,031.20, 34,540.56 and 13,852

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Solution

The fourth proportional to 25,031.20, 34,540.56 and 13,852 is: 19,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,031.20 : 34,540.56 = 13,852 : x
  2. Step 2: Convert to fraction form
    25,031.20/34,540.56 = 13,852/x
  3. Step 3: Cross multiply
    25,031.20x = 34,540.56 × 13,852
  4. Step 4: Simplify right side
    25,031.20x = 478,455,837.12
  5. Step 5: Solve for x
    x = 478,455,837.12/25,031.20
  6. Step 6: Final answer
    x = 19,114.38

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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.