Home / 17,677.07-26,512.35-7,144.35

Finding the Fourth Proportional to 17,677.07, 26,512.35 and 7,144.35

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Solution

The fourth proportional to 17,677.07, 26,512.35 and 7,144.35 is: 10,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.07 : 26,512.35 = 7,144.35 : x
  2. Step 2: Convert to fraction form
    17,677.07/26,512.35 = 7,144.35/x
  3. Step 3: Cross multiply
    17,677.07x = 26,512.35 × 7,144.35
  4. Step 4: Simplify right side
    17,677.07x = 189,413,507.72
  5. Step 5: Solve for x
    x = 189,413,507.72/17,677.07
  6. Step 6: Final answer
    x = 10,715.21

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1.5x scale

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.