Home / 26,381.17-39,573.81-7,661.52

Finding the Fourth Proportional to 26,381.17, 39,573.81 and 7,661.52

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Solution

The fourth proportional to 26,381.17, 39,573.81 and 7,661.52 is: 11,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.17 : 39,573.81 = 7,661.52 : x
  2. Step 2: Convert to fraction form
    26,381.17/39,573.81 = 7,661.52/x
  3. Step 3: Cross multiply
    26,381.17x = 39,573.81 × 7,661.52
  4. Step 4: Simplify right side
    26,381.17x = 303,195,300.61
  5. Step 5: Solve for x
    x = 303,195,300.61/26,381.17
  6. Step 6: Final answer
    x = 11,492.87

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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.