Home / 38,663.19-57,992.66-10,581.21

Finding the Fourth Proportional to 38,663.19, 57,992.66 and 10,581.21

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Solution

The fourth proportional to 38,663.19, 57,992.66 and 10,581.21 is: 15,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663.19 : 57,992.66 = 10,581.21 : x
  2. Step 2: Convert to fraction form
    38,663.19/57,992.66 = 10,581.21/x
  3. Step 3: Cross multiply
    38,663.19x = 57,992.66 × 10,581.21
  4. Step 4: Simplify right side
    38,663.19x = 613,632,461.01
  5. Step 5: Solve for x
    x = 613,632,461.01/38,663.19
  6. Step 6: Final answer
    x = 15,871.23

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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.