Home / 17,681.92-26,628.16-15,400.96

Finding the Fourth Proportional to 17,681.92, 26,628.16 and 15,400.96

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Solution

The fourth proportional to 17,681.92, 26,628.16 and 15,400.96 is: 23,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.92 : 26,628.16 = 15,400.96 : x
  2. Step 2: Convert to fraction form
    17,681.92/26,628.16 = 15,400.96/x
  3. Step 3: Cross multiply
    17,681.92x = 26,628.16 × 15,400.96
  4. Step 4: Simplify right side
    17,681.92x = 410,099,227.03
  5. Step 5: Solve for x
    x = 410,099,227.03/17,681.92
  6. Step 6: Final answer
    x = 23,193.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.