Home / 25,143.82-34,697.08-17,188

Finding the Fourth Proportional to 25,143.82, 34,697.08 and 17,188

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Solution

The fourth proportional to 25,143.82, 34,697.08 and 17,188 is: 23,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.82 : 34,697.08 = 17,188 : x
  2. Step 2: Convert to fraction form
    25,143.82/34,697.08 = 17,188/x
  3. Step 3: Cross multiply
    25,143.82x = 34,697.08 × 17,188
  4. Step 4: Simplify right side
    25,143.82x = 596,373,411.04
  5. Step 5: Solve for x
    x = 596,373,411.04/25,143.82
  6. Step 6: Final answer
    x = 23,718.49

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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.