Home / 19,779.68-27,295.98-10,827.56

Finding the Fourth Proportional to 19,779.68, 27,295.98 and 10,827.56

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Solution

The fourth proportional to 19,779.68, 27,295.98 and 10,827.56 is: 14,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.68 : 27,295.98 = 10,827.56 : x
  2. Step 2: Convert to fraction form
    19,779.68/27,295.98 = 10,827.56/x
  3. Step 3: Cross multiply
    19,779.68x = 27,295.98 × 10,827.56
  4. Step 4: Simplify right side
    19,779.68x = 295,548,861.21
  5. Step 5: Solve for x
    x = 295,548,861.21/19,779.68
  6. Step 6: Final answer
    x = 14,942.04

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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.