Home / 19,814.41-27,343.74-10,862.29

Finding the Fourth Proportional to 19,814.41, 27,343.74 and 10,862.29

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Solution

The fourth proportional to 19,814.41, 27,343.74 and 10,862.29 is: 14,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.41 : 27,343.74 = 10,862.29 : x
  2. Step 2: Convert to fraction form
    19,814.41/27,343.74 = 10,862.29/x
  3. Step 3: Cross multiply
    19,814.41x = 27,343.74 × 10,862.29
  4. Step 4: Simplify right side
    19,814.41x = 297,015,633.56
  5. Step 5: Solve for x
    x = 297,015,633.56/19,814.41
  6. Step 6: Final answer
    x = 14,989.88

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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.