Home / 15,999.98-22,068.05-11,749.70

Finding the Fourth Proportional to 15,999.98, 22,068.05 and 11,749.70

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Solution

The fourth proportional to 15,999.98, 22,068.05 and 11,749.70 is: 16,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.98 : 22,068.05 = 11,749.70 : x
  2. Step 2: Convert to fraction form
    15,999.98/22,068.05 = 11,749.70/x
  3. Step 3: Cross multiply
    15,999.98x = 22,068.05 × 11,749.70
  4. Step 4: Simplify right side
    15,999.98x = 259,292,798.00
  5. Step 5: Solve for x
    x = 259,292,798.00/15,999.98
  6. Step 6: Final answer
    x = 16,205.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.