Home / 19,952.92-29,910.21-8,861.05

Finding the Fourth Proportional to 19,952.92, 29,910.21 and 8,861.05

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Solution

The fourth proportional to 19,952.92, 29,910.21 and 8,861.05 is: 13,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.92 : 29,910.21 = 8,861.05 : x
  2. Step 2: Convert to fraction form
    19,952.92/29,910.21 = 8,861.05/x
  3. Step 3: Cross multiply
    19,952.92x = 29,910.21 × 8,861.05
  4. Step 4: Simplify right side
    19,952.92x = 265,035,866.32
  5. Step 5: Solve for x
    x = 265,035,866.32/19,952.92
  6. Step 6: Final answer
    x = 13,283.06

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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.