Home / 30,125.13-41,591.58-19,388.66

Finding the Fourth Proportional to 30,125.13, 41,591.58 and 19,388.66

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Solution

The fourth proportional to 30,125.13, 41,591.58 and 19,388.66 is: 26,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.13 : 41,591.58 = 19,388.66 : x
  2. Step 2: Convert to fraction form
    30,125.13/41,591.58 = 19,388.66/x
  3. Step 3: Cross multiply
    30,125.13x = 41,591.58 × 19,388.66
  4. Step 4: Simplify right side
    30,125.13x = 806,405,024.20
  5. Step 5: Solve for x
    x = 806,405,024.20/30,125.13
  6. Step 6: Final answer
    x = 26,768.52

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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.