Home / 25,607.18-38,410.77-8,078.37

Finding the Fourth Proportional to 25,607.18, 38,410.77 and 8,078.37

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Solution

The fourth proportional to 25,607.18, 38,410.77 and 8,078.37 is: 12,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.18 : 38,410.77 = 8,078.37 : x
  2. Step 2: Convert to fraction form
    25,607.18/38,410.77 = 8,078.37/x
  3. Step 3: Cross multiply
    25,607.18x = 38,410.77 × 8,078.37
  4. Step 4: Simplify right side
    25,607.18x = 310,296,412.04
  5. Step 5: Solve for x
    x = 310,296,412.04/25,607.18
  6. Step 6: Final answer
    x = 12,117.56

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1.5x scale

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.