Home / 25,108.35-34,649.88-13,777.65

Finding the Fourth Proportional to 25,108.35, 34,649.88 and 13,777.65

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Solution

The fourth proportional to 25,108.35, 34,649.88 and 13,777.65 is: 19,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.35 : 34,649.88 = 13,777.65 : x
  2. Step 2: Convert to fraction form
    25,108.35/34,649.88 = 13,777.65/x
  3. Step 3: Cross multiply
    25,108.35x = 34,649.88 × 13,777.65
  4. Step 4: Simplify right side
    25,108.35x = 477,393,919.18
  5. Step 5: Solve for x
    x = 477,393,919.18/25,108.35
  6. Step 6: Final answer
    x = 19,013.35

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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.