Home / 17,865.79-26,960.81-17,270.25

Finding the Fourth Proportional to 17,865.79, 26,960.81 and 17,270.25

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Solution

The fourth proportional to 17,865.79, 26,960.81 and 17,270.25 is: 26,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.79 : 26,960.81 = 17,270.25 : x
  2. Step 2: Convert to fraction form
    17,865.79/26,960.81 = 17,270.25/x
  3. Step 3: Cross multiply
    17,865.79x = 26,960.81 × 17,270.25
  4. Step 4: Simplify right side
    17,865.79x = 465,619,741.45
  5. Step 5: Solve for x
    x = 465,619,741.45/17,865.79
  6. Step 6: Final answer
    x = 26,062.09

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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.