Home / 30,115.64-41,559.03-16,686.84

Finding the Fourth Proportional to 30,115.64, 41,559.03 and 16,686.84

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Solution

The fourth proportional to 30,115.64, 41,559.03 and 16,686.84 is: 23,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.64 : 41,559.03 = 16,686.84 : x
  2. Step 2: Convert to fraction form
    30,115.64/41,559.03 = 16,686.84/x
  3. Step 3: Cross multiply
    30,115.64x = 41,559.03 × 16,686.84
  4. Step 4: Simplify right side
    30,115.64x = 693,488,884.17
  5. Step 5: Solve for x
    x = 693,488,884.17/30,115.64
  6. Step 6: Final answer
    x = 23,027.54

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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.