Home / 19,419.19-26,798.49-11,035.69

Finding the Fourth Proportional to 19,419.19, 26,798.49 and 11,035.69

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Solution

The fourth proportional to 19,419.19, 26,798.49 and 11,035.69 is: 15,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.19 : 26,798.49 = 11,035.69 : x
  2. Step 2: Convert to fraction form
    19,419.19/26,798.49 = 11,035.69/x
  3. Step 3: Cross multiply
    19,419.19x = 26,798.49 × 11,035.69
  4. Step 4: Simplify right side
    19,419.19x = 295,739,761.11
  5. Step 5: Solve for x
    x = 295,739,761.11/19,419.19
  6. Step 6: Final answer
    x = 15,229.26

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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.