Home / 17,177.72-23,703.66-9,725.72

Finding the Fourth Proportional to 17,177.72, 23,703.66 and 9,725.72

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Solution

The fourth proportional to 17,177.72, 23,703.66 and 9,725.72 is: 13,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.72 : 23,703.66 = 9,725.72 : x
  2. Step 2: Convert to fraction form
    17,177.72/23,703.66 = 9,725.72/x
  3. Step 3: Cross multiply
    17,177.72x = 23,703.66 × 9,725.72
  4. Step 4: Simplify right side
    17,177.72x = 230,535,160.14
  5. Step 5: Solve for x
    x = 230,535,160.14/17,177.72
  6. Step 6: Final answer
    x = 13,420.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.