Home / 25,911.02-38,860.72-10,116.43

Finding the Fourth Proportional to 25,911.02, 38,860.72 and 10,116.43

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Solution

The fourth proportional to 25,911.02, 38,860.72 and 10,116.43 is: 15,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911.02 : 38,860.72 = 10,116.43 : x
  2. Step 2: Convert to fraction form
    25,911.02/38,860.72 = 10,116.43/x
  3. Step 3: Cross multiply
    25,911.02x = 38,860.72 × 10,116.43
  4. Step 4: Simplify right side
    25,911.02x = 393,131,753.63
  5. Step 5: Solve for x
    x = 393,131,753.63/25,911.02
  6. Step 6: Final answer
    x = 15,172.38

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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.