Home / 19,766.76-27,278.33-10,814.06

Finding the Fourth Proportional to 19,766.76, 27,278.33 and 10,814.06

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Solution

The fourth proportional to 19,766.76, 27,278.33 and 10,814.06 is: 14,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.76 : 27,278.33 = 10,814.06 : x
  2. Step 2: Convert to fraction form
    19,766.76/27,278.33 = 10,814.06/x
  3. Step 3: Cross multiply
    19,766.76x = 27,278.33 × 10,814.06
  4. Step 4: Simplify right side
    19,766.76x = 294,989,511.45
  5. Step 5: Solve for x
    x = 294,989,511.45/19,766.76
  6. Step 6: Final answer
    x = 14,923.52

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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.