Home / 25,018.96-34,520.51-14,945.42

Finding the Fourth Proportional to 25,018.96, 34,520.51 and 14,945.42

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Solution

The fourth proportional to 25,018.96, 34,520.51 and 14,945.42 is: 20,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,018.96 : 34,520.51 = 14,945.42 : x
  2. Step 2: Convert to fraction form
    25,018.96/34,520.51 = 14,945.42/x
  3. Step 3: Cross multiply
    25,018.96x = 34,520.51 × 14,945.42
  4. Step 4: Simplify right side
    25,018.96x = 515,923,532.14
  5. Step 5: Solve for x
    x = 515,923,532.14/25,018.96
  6. Step 6: Final answer
    x = 20,621.30

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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.