Home / 23,688.62-32,689.42-13,078.02

Finding the Fourth Proportional to 23,688.62, 32,689.42 and 13,078.02

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Solution

The fourth proportional to 23,688.62, 32,689.42 and 13,078.02 is: 18,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.62 : 32,689.42 = 13,078.02 : x
  2. Step 2: Convert to fraction form
    23,688.62/32,689.42 = 13,078.02/x
  3. Step 3: Cross multiply
    23,688.62x = 32,689.42 × 13,078.02
  4. Step 4: Simplify right side
    23,688.62x = 427,512,888.55
  5. Step 5: Solve for x
    x = 427,512,888.55/23,688.62
  6. Step 6: Final answer
    x = 18,047.18

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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.