Home / 25,913.02-38,863.72-10,118.43

Finding the Fourth Proportional to 25,913.02, 38,863.72 and 10,118.43

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Solution

The fourth proportional to 25,913.02, 38,863.72 and 10,118.43 is: 15,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.02 : 38,863.72 = 10,118.43 : x
  2. Step 2: Convert to fraction form
    25,913.02/38,863.72 = 10,118.43/x
  3. Step 3: Cross multiply
    25,913.02x = 38,863.72 × 10,118.43
  4. Step 4: Simplify right side
    25,913.02x = 393,239,830.36
  5. Step 5: Solve for x
    x = 393,239,830.36/25,913.02
  6. Step 6: Final answer
    x = 15,175.38

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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.