Home / 27,999.10-41,950.05-18,133.30

Finding the Fourth Proportional to 27,999.10, 41,950.05 and 18,133.30

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Solution

The fourth proportional to 27,999.10, 41,950.05 and 18,133.30 is: 27,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.10 : 41,950.05 = 18,133.30 : x
  2. Step 2: Convert to fraction form
    27,999.10/41,950.05 = 18,133.30/x
  3. Step 3: Cross multiply
    27,999.10x = 41,950.05 × 18,133.30
  4. Step 4: Simplify right side
    27,999.10x = 760,692,841.67
  5. Step 5: Solve for x
    x = 760,692,841.67/27,999.10
  6. Step 6: Final answer
    x = 27,168.47

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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.