Home / 19,155.77-26,419.96-13,109.59

Finding the Fourth Proportional to 19,155.77, 26,419.96 and 13,109.59

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Solution

The fourth proportional to 19,155.77, 26,419.96 and 13,109.59 is: 18,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.77 : 26,419.96 = 13,109.59 : x
  2. Step 2: Convert to fraction form
    19,155.77/26,419.96 = 13,109.59/x
  3. Step 3: Cross multiply
    19,155.77x = 26,419.96 × 13,109.59
  4. Step 4: Simplify right side
    19,155.77x = 346,354,744.59
  5. Step 5: Solve for x
    x = 346,354,744.59/19,155.77
  6. Step 6: Final answer
    x = 18,080.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.