Home / 25,213.11-34,792.77-13,883.59

Finding the Fourth Proportional to 25,213.11, 34,792.77 and 13,883.59

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Solution

The fourth proportional to 25,213.11, 34,792.77 and 13,883.59 is: 19,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.11 : 34,792.77 = 13,883.59 : x
  2. Step 2: Convert to fraction form
    25,213.11/34,792.77 = 13,883.59/x
  3. Step 3: Cross multiply
    25,213.11x = 34,792.77 × 13,883.59
  4. Step 4: Simplify right side
    25,213.11x = 483,048,553.64
  5. Step 5: Solve for x
    x = 483,048,553.64/25,213.11
  6. Step 6: Final answer
    x = 19,158.63

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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.