Home / 17,118.80-25,682.28-5,432.02

Finding the Fourth Proportional to 17,118.80, 25,682.28 and 5,432.02

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Solution

The fourth proportional to 17,118.80, 25,682.28 and 5,432.02 is: 8,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.80 : 25,682.28 = 5,432.02 : x
  2. Step 2: Convert to fraction form
    17,118.80/25,682.28 = 5,432.02/x
  3. Step 3: Cross multiply
    17,118.80x = 25,682.28 × 5,432.02
  4. Step 4: Simplify right side
    17,118.80x = 139,506,530.19
  5. Step 5: Solve for x
    x = 139,506,530.19/17,118.80
  6. Step 6: Final answer
    x = 8,149.32

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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.