Home / 19,766.48-27,278.15-10,814.57

Finding the Fourth Proportional to 19,766.48, 27,278.15 and 10,814.57

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Solution

The fourth proportional to 19,766.48, 27,278.15 and 10,814.57 is: 14,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.48 : 27,278.15 = 10,814.57 : x
  2. Step 2: Convert to fraction form
    19,766.48/27,278.15 = 10,814.57/x
  3. Step 3: Cross multiply
    19,766.48x = 27,278.15 × 10,814.57
  4. Step 4: Simplify right side
    19,766.48x = 295,001,462.65
  5. Step 5: Solve for x
    x = 295,001,462.65/19,766.48
  6. Step 6: Final answer
    x = 14,924.33

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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.