Home / 13,788.01-20,690.25-5,023.54

Finding the Fourth Proportional to 13,788.01, 20,690.25 and 5,023.54

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Solution

The fourth proportional to 13,788.01, 20,690.25 and 5,023.54 is: 7,538.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.01 : 20,690.25 = 5,023.54 : x
  2. Step 2: Convert to fraction form
    13,788.01/20,690.25 = 5,023.54/x
  3. Step 3: Cross multiply
    13,788.01x = 20,690.25 × 5,023.54
  4. Step 4: Simplify right side
    13,788.01x = 103,938,298.49
  5. Step 5: Solve for x
    x = 103,938,298.49/13,788.01
  6. Step 6: Final answer
    x = 7,538.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.