Home / 38,205.99-57,302.70-10,127.79

Finding the Fourth Proportional to 38,205.99, 57,302.70 and 10,127.79

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Solution

The fourth proportional to 38,205.99, 57,302.70 and 10,127.79 is: 15,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.99 : 57,302.70 = 10,127.79 : x
  2. Step 2: Convert to fraction form
    38,205.99/57,302.70 = 10,127.79/x
  3. Step 3: Cross multiply
    38,205.99x = 57,302.70 × 10,127.79
  4. Step 4: Simplify right side
    38,205.99x = 580,349,712.03
  5. Step 5: Solve for x
    x = 580,349,712.03/38,205.99
  6. Step 6: Final answer
    x = 15,190.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.