Home / 25,403.02-38,078.07-10,620.52

Finding the Fourth Proportional to 25,403.02, 38,078.07 and 10,620.52

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Solution

The fourth proportional to 25,403.02, 38,078.07 and 10,620.52 is: 15,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.02 : 38,078.07 = 10,620.52 : x
  2. Step 2: Convert to fraction form
    25,403.02/38,078.07 = 10,620.52/x
  3. Step 3: Cross multiply
    25,403.02x = 38,078.07 × 10,620.52
  4. Step 4: Simplify right side
    25,403.02x = 404,408,904.00
  5. Step 5: Solve for x
    x = 404,408,904.00/25,403.02
  6. Step 6: Final answer
    x = 15,919.72

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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.