Home / 17,316.93-25,966.17-8,988.57

Finding the Fourth Proportional to 17,316.93, 25,966.17 and 8,988.57

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Solution

The fourth proportional to 17,316.93, 25,966.17 and 8,988.57 is: 13,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,316.93 : 25,966.17 = 8,988.57 : x
  2. Step 2: Convert to fraction form
    17,316.93/25,966.17 = 8,988.57/x
  3. Step 3: Cross multiply
    17,316.93x = 25,966.17 × 8,988.57
  4. Step 4: Simplify right side
    17,316.93x = 233,398,736.68
  5. Step 5: Solve for x
    x = 233,398,736.68/17,316.93
  6. Step 6: Final answer
    x = 13,478.07

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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.