Home / 25,103.88-34,642.19-13,773.12

Finding the Fourth Proportional to 25,103.88, 34,642.19 and 13,773.12

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Solution

The fourth proportional to 25,103.88, 34,642.19 and 13,773.12 is: 19,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.88 : 34,642.19 = 13,773.12 : x
  2. Step 2: Convert to fraction form
    25,103.88/34,642.19 = 13,773.12/x
  3. Step 3: Cross multiply
    25,103.88x = 34,642.19 × 13,773.12
  4. Step 4: Simplify right side
    25,103.88x = 477,130,971.07
  5. Step 5: Solve for x
    x = 477,130,971.07/25,103.88
  6. Step 6: Final answer
    x = 19,006.26

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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.