Home / 19,198.31-26,489.03-10,814.81

Finding the Fourth Proportional to 19,198.31, 26,489.03 and 10,814.81

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Solution

The fourth proportional to 19,198.31, 26,489.03 and 10,814.81 is: 14,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.31 : 26,489.03 = 10,814.81 : x
  2. Step 2: Convert to fraction form
    19,198.31/26,489.03 = 10,814.81/x
  3. Step 3: Cross multiply
    19,198.31x = 26,489.03 × 10,814.81
  4. Step 4: Simplify right side
    19,198.31x = 286,473,640.02
  5. Step 5: Solve for x
    x = 286,473,640.02/19,198.31
  6. Step 6: Final answer
    x = 14,921.82

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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.