Home / 25,745.04-38,618.24-8,214.85

Finding the Fourth Proportional to 25,745.04, 38,618.24 and 8,214.85

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Solution

The fourth proportional to 25,745.04, 38,618.24 and 8,214.85 is: 12,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.04 : 38,618.24 = 8,214.85 : x
  2. Step 2: Convert to fraction form
    25,745.04/38,618.24 = 8,214.85/x
  3. Step 3: Cross multiply
    25,745.04x = 38,618.24 × 8,214.85
  4. Step 4: Simplify right side
    25,745.04x = 317,243,056.06
  5. Step 5: Solve for x
    x = 317,243,056.06/25,745.04
  6. Step 6: Final answer
    x = 12,322.49

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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.