Home / 17,516.90-26,264.76-6,988.52

Finding the Fourth Proportional to 17,516.90, 26,264.76 and 6,988.52

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Solution

The fourth proportional to 17,516.90, 26,264.76 and 6,988.52 is: 10,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.90 : 26,264.76 = 6,988.52 : x
  2. Step 2: Convert to fraction form
    17,516.90/26,264.76 = 6,988.52/x
  3. Step 3: Cross multiply
    17,516.90x = 26,264.76 × 6,988.52
  4. Step 4: Simplify right side
    17,516.90x = 183,551,800.56
  5. Step 5: Solve for x
    x = 183,551,800.56/17,516.90
  6. Step 6: Final answer
    x = 10,478.56

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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.