Home / 19,905.58-29,853.58-5,861.78

Finding the Fourth Proportional to 19,905.58, 29,853.58 and 5,861.78

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Solution

The fourth proportional to 19,905.58, 29,853.58 and 5,861.78 is: 8,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.58 : 29,853.58 = 5,861.78 : x
  2. Step 2: Convert to fraction form
    19,905.58/29,853.58 = 5,861.78/x
  3. Step 3: Cross multiply
    19,905.58x = 29,853.58 × 5,861.78
  4. Step 4: Simplify right side
    19,905.58x = 174,995,118.17
  5. Step 5: Solve for x
    x = 174,995,118.17/19,905.58
  6. Step 6: Final answer
    x = 8,791.26

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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.