Home / 19,491.98-29,236.35-7,805.84

Finding the Fourth Proportional to 19,491.98, 29,236.35 and 7,805.84

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Solution

The fourth proportional to 19,491.98, 29,236.35 and 7,805.84 is: 11,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.98 : 29,236.35 = 7,805.84 : x
  2. Step 2: Convert to fraction form
    19,491.98/29,236.35 = 7,805.84/x
  3. Step 3: Cross multiply
    19,491.98x = 29,236.35 × 7,805.84
  4. Step 4: Simplify right side
    19,491.98x = 228,214,270.28
  5. Step 5: Solve for x
    x = 228,214,270.28/19,491.98
  6. Step 6: Final answer
    x = 11,708.11

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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.