Home / 19,247.65-26,550.21-11,690.14

Finding the Fourth Proportional to 19,247.65, 26,550.21 and 11,690.14

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Solution

The fourth proportional to 19,247.65, 26,550.21 and 11,690.14 is: 16,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.65 : 26,550.21 = 11,690.14 : x
  2. Step 2: Convert to fraction form
    19,247.65/26,550.21 = 11,690.14/x
  3. Step 3: Cross multiply
    19,247.65x = 26,550.21 × 11,690.14
  4. Step 4: Simplify right side
    19,247.65x = 310,375,671.93
  5. Step 5: Solve for x
    x = 310,375,671.93/19,247.65
  6. Step 6: Final answer
    x = 16,125.38

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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.