Home / 26,381.35-39,573.12-7,661.39

Finding the Fourth Proportional to 26,381.35, 39,573.12 and 7,661.39

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Solution

The fourth proportional to 26,381.35, 39,573.12 and 7,661.39 is: 11,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.35 : 39,573.12 = 7,661.39 : x
  2. Step 2: Convert to fraction form
    26,381.35/39,573.12 = 7,661.39/x
  3. Step 3: Cross multiply
    26,381.35x = 39,573.12 × 7,661.39
  4. Step 4: Simplify right side
    26,381.35x = 303,184,893.61
  5. Step 5: Solve for x
    x = 303,184,893.61/26,381.35
  6. Step 6: Final answer
    x = 11,492.39

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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.