Home / 19,006.40-26,216.37-11,447.61

Finding the Fourth Proportional to 19,006.40, 26,216.37 and 11,447.61

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Solution

The fourth proportional to 19,006.40, 26,216.37 and 11,447.61 is: 15,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.40 : 26,216.37 = 11,447.61 : x
  2. Step 2: Convert to fraction form
    19,006.40/26,216.37 = 11,447.61/x
  3. Step 3: Cross multiply
    19,006.40x = 26,216.37 × 11,447.61
  4. Step 4: Simplify right side
    19,006.40x = 300,114,779.38
  5. Step 5: Solve for x
    x = 300,114,779.38/19,006.40
  6. Step 6: Final answer
    x = 15,790.20

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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.