Home / 19,586.57-27,026.74-11,520.59

Finding the Fourth Proportional to 19,586.57, 27,026.74 and 11,520.59

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Solution

The fourth proportional to 19,586.57, 27,026.74 and 11,520.59 is: 15,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.57 : 27,026.74 = 11,520.59 : x
  2. Step 2: Convert to fraction form
    19,586.57/27,026.74 = 11,520.59/x
  3. Step 3: Cross multiply
    19,586.57x = 27,026.74 × 11,520.59
  4. Step 4: Simplify right side
    19,586.57x = 311,363,990.58
  5. Step 5: Solve for x
    x = 311,363,990.58/19,586.57
  6. Step 6: Final answer
    x = 15,896.81

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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.