Home / 17,719.84-26,584.60-5,240.48

Finding the Fourth Proportional to 17,719.84, 26,584.60 and 5,240.48

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Solution

The fourth proportional to 17,719.84, 26,584.60 and 5,240.48 is: 7,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.84 : 26,584.60 = 5,240.48 : x
  2. Step 2: Convert to fraction form
    17,719.84/26,584.60 = 5,240.48/x
  3. Step 3: Cross multiply
    17,719.84x = 26,584.60 × 5,240.48
  4. Step 4: Simplify right side
    17,719.84x = 139,316,064.61
  5. Step 5: Solve for x
    x = 139,316,064.61/17,719.84
  6. Step 6: Final answer
    x = 7,862.15

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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.