Home / 19,928.96-29,893.76-6,078.08

Finding the Fourth Proportional to 19,928.96, 29,893.76 and 6,078.08

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Solution

The fourth proportional to 19,928.96, 29,893.76 and 6,078.08 is: 9,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.96 : 29,893.76 = 6,078.08 : x
  2. Step 2: Convert to fraction form
    19,928.96/29,893.76 = 6,078.08/x
  3. Step 3: Cross multiply
    19,928.96x = 29,893.76 × 6,078.08
  4. Step 4: Simplify right side
    19,928.96x = 181,696,664.78
  5. Step 5: Solve for x
    x = 181,696,664.78/19,928.96
  6. Step 6: Final answer
    x = 9,117.22

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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.