Home / 19,236.10-26,542.40-11,680.92

Finding the Fourth Proportional to 19,236.10, 26,542.40 and 11,680.92

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Solution

The fourth proportional to 19,236.10, 26,542.40 and 11,680.92 is: 16,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.10 : 26,542.40 = 11,680.92 : x
  2. Step 2: Convert to fraction form
    19,236.10/26,542.40 = 11,680.92/x
  3. Step 3: Cross multiply
    19,236.10x = 26,542.40 × 11,680.92
  4. Step 4: Simplify right side
    19,236.10x = 310,039,651.01
  5. Step 5: Solve for x
    x = 310,039,651.01/19,236.10
  6. Step 6: Final answer
    x = 16,117.59

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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.