Home / 25,002.99-34,503.51-13,672.56

Finding the Fourth Proportional to 25,002.99, 34,503.51 and 13,672.56

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Solution

The fourth proportional to 25,002.99, 34,503.51 and 13,672.56 is: 18,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,002.99 : 34,503.51 = 13,672.56 : x
  2. Step 2: Convert to fraction form
    25,002.99/34,503.51 = 13,672.56/x
  3. Step 3: Cross multiply
    25,002.99x = 34,503.51 × 13,672.56
  4. Step 4: Simplify right side
    25,002.99x = 471,751,310.69
  5. Step 5: Solve for x
    x = 471,751,310.69/25,002.99
  6. Step 6: Final answer
    x = 18,867.80

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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.