Home / 25,014.20-34,520.48-13,683.02

Finding the Fourth Proportional to 25,014.20, 34,520.48 and 13,683.02

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Solution

The fourth proportional to 25,014.20, 34,520.48 and 13,683.02 is: 18,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.20 : 34,520.48 = 13,683.02 : x
  2. Step 2: Convert to fraction form
    25,014.20/34,520.48 = 13,683.02/x
  3. Step 3: Cross multiply
    25,014.20x = 34,520.48 × 13,683.02
  4. Step 4: Simplify right side
    25,014.20x = 472,344,228.54
  5. Step 5: Solve for x
    x = 472,344,228.54/25,014.20
  6. Step 6: Final answer
    x = 18,883.05

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1.5x scale

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.