Home / 25,050.45-34,570.24-13,720.42

Finding the Fourth Proportional to 25,050.45, 34,570.24 and 13,720.42

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Solution

The fourth proportional to 25,050.45, 34,570.24 and 13,720.42 is: 18,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,050.45 : 34,570.24 = 13,720.42 : x
  2. Step 2: Convert to fraction form
    25,050.45/34,570.24 = 13,720.42/x
  3. Step 3: Cross multiply
    25,050.45x = 34,570.24 × 13,720.42
  4. Step 4: Simplify right side
    25,050.45x = 474,318,057.27
  5. Step 5: Solve for x
    x = 474,318,057.27/25,050.45
  6. Step 6: Final answer
    x = 18,934.52

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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.