Home / 38,127.48-57,192.84-11,832.72

Finding the Fourth Proportional to 38,127.48, 57,192.84 and 11,832.72

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Solution

The fourth proportional to 38,127.48, 57,192.84 and 11,832.72 is: 17,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.48 : 57,192.84 = 11,832.72 : x
  2. Step 2: Convert to fraction form
    38,127.48/57,192.84 = 11,832.72/x
  3. Step 3: Cross multiply
    38,127.48x = 57,192.84 × 11,832.72
  4. Step 4: Simplify right side
    38,127.48x = 676,746,861.72
  5. Step 5: Solve for x
    x = 676,746,861.72/38,127.48
  6. Step 6: Final answer
    x = 17,749.58

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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.