Home / 19,879.54-29,818.63-5,088.59

Finding the Fourth Proportional to 19,879.54, 29,818.63 and 5,088.59

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Solution

The fourth proportional to 19,879.54, 29,818.63 and 5,088.59 is: 7,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.54 : 29,818.63 = 5,088.59 : x
  2. Step 2: Convert to fraction form
    19,879.54/29,818.63 = 5,088.59/x
  3. Step 3: Cross multiply
    19,879.54x = 29,818.63 × 5,088.59
  4. Step 4: Simplify right side
    19,879.54x = 151,734,751.52
  5. Step 5: Solve for x
    x = 151,734,751.52/19,879.54
  6. Step 6: Final answer
    x = 7,632.71

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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.