Home / 26,625.11-39,943.13-9,985.07

Finding the Fourth Proportional to 26,625.11, 39,943.13 and 9,985.07

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Solution

The fourth proportional to 26,625.11, 39,943.13 and 9,985.07 is: 14,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,625.11 : 39,943.13 = 9,985.07 : x
  2. Step 2: Convert to fraction form
    26,625.11/39,943.13 = 9,985.07/x
  3. Step 3: Cross multiply
    26,625.11x = 39,943.13 × 9,985.07
  4. Step 4: Simplify right side
    26,625.11x = 398,834,999.00
  5. Step 5: Solve for x
    x = 398,834,999.00/26,625.11
  6. Step 6: Final answer
    x = 14,979.66

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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.