Home / 25,109.23-34,649.57-13,778.44

Finding the Fourth Proportional to 25,109.23, 34,649.57 and 13,778.44

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Solution

The fourth proportional to 25,109.23, 34,649.57 and 13,778.44 is: 19,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.23 : 34,649.57 = 13,778.44 : x
  2. Step 2: Convert to fraction form
    25,109.23/34,649.57 = 13,778.44/x
  3. Step 3: Cross multiply
    25,109.23x = 34,649.57 × 13,778.44
  4. Step 4: Simplify right side
    25,109.23x = 477,416,952.38
  5. Step 5: Solve for x
    x = 477,416,952.38/25,109.23
  6. Step 6: Final answer
    x = 19,013.60

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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.