Home / 19,285.30-26,614.08-11,731.96

Finding the Fourth Proportional to 19,285.30, 26,614.08 and 11,731.96

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Solution

The fourth proportional to 19,285.30, 26,614.08 and 11,731.96 is: 16,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.30 : 26,614.08 = 11,731.96 : x
  2. Step 2: Convert to fraction form
    19,285.30/26,614.08 = 11,731.96/x
  3. Step 3: Cross multiply
    19,285.30x = 26,614.08 × 11,731.96
  4. Step 4: Simplify right side
    19,285.30x = 312,235,322.00
  5. Step 5: Solve for x
    x = 312,235,322.00/19,285.30
  6. Step 6: Final answer
    x = 16,190.33

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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.