Home / 25,408.80-35,064.16-13,923.66

Finding the Fourth Proportional to 25,408.80, 35,064.16 and 13,923.66

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Solution

The fourth proportional to 25,408.80, 35,064.16 and 13,923.66 is: 19,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.80 : 35,064.16 = 13,923.66 : x
  2. Step 2: Convert to fraction form
    25,408.80/35,064.16 = 13,923.66/x
  3. Step 3: Cross multiply
    25,408.80x = 35,064.16 × 13,923.66
  4. Step 4: Simplify right side
    25,408.80x = 488,221,442.03
  5. Step 5: Solve for x
    x = 488,221,442.03/25,408.80
  6. Step 6: Final answer
    x = 19,214.66

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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.