Home / 19,784.52-29,647.54-11,007.36

Finding the Fourth Proportional to 19,784.52, 29,647.54 and 11,007.36

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Solution

The fourth proportional to 19,784.52, 29,647.54 and 11,007.36 is: 16,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.52 : 29,647.54 = 11,007.36 : x
  2. Step 2: Convert to fraction form
    19,784.52/29,647.54 = 11,007.36/x
  3. Step 3: Cross multiply
    19,784.52x = 29,647.54 × 11,007.36
  4. Step 4: Simplify right side
    19,784.52x = 326,341,145.89
  5. Step 5: Solve for x
    x = 326,341,145.89/19,784.52
  6. Step 6: Final answer
    x = 16,494.77

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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.