Home / 25,213.51-34,794.36-13,882.78

Finding the Fourth Proportional to 25,213.51, 34,794.36 and 13,882.78

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Solution

The fourth proportional to 25,213.51, 34,794.36 and 13,882.78 is: 19,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.51 : 34,794.36 = 13,882.78 : x
  2. Step 2: Convert to fraction form
    25,213.51/34,794.36 = 13,882.78/x
  3. Step 3: Cross multiply
    25,213.51x = 34,794.36 × 13,882.78
  4. Step 4: Simplify right side
    25,213.51x = 483,042,445.12
  5. Step 5: Solve for x
    x = 483,042,445.12/25,213.51
  6. Step 6: Final answer
    x = 19,158.08

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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.