Home / 17,878.52-24,688.03-11,175.60

Finding the Fourth Proportional to 17,878.52, 24,688.03 and 11,175.60

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Solution

The fourth proportional to 17,878.52, 24,688.03 and 11,175.60 is: 15,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.52 : 24,688.03 = 11,175.60 : x
  2. Step 2: Convert to fraction form
    17,878.52/24,688.03 = 11,175.60/x
  3. Step 3: Cross multiply
    17,878.52x = 24,688.03 × 11,175.60
  4. Step 4: Simplify right side
    17,878.52x = 275,903,548.07
  5. Step 5: Solve for x
    x = 275,903,548.07/17,878.52
  6. Step 6: Final answer
    x = 15,432.12

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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.