Home / 19,406.60-26,791.31-13,066.53

Finding the Fourth Proportional to 19,406.60, 26,791.31 and 13,066.53

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Solution

The fourth proportional to 19,406.60, 26,791.31 and 13,066.53 is: 18,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.60 : 26,791.31 = 13,066.53 : x
  2. Step 2: Convert to fraction form
    19,406.60/26,791.31 = 13,066.53/x
  3. Step 3: Cross multiply
    19,406.60x = 26,791.31 × 13,066.53
  4. Step 4: Simplify right side
    19,406.60x = 350,069,390.52
  5. Step 5: Solve for x
    x = 350,069,390.52/19,406.60
  6. Step 6: Final answer
    x = 18,038.68

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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.