Home / 19,910.69-29,853.50-9,374.36

Finding the Fourth Proportional to 19,910.69, 29,853.50 and 9,374.36

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Solution

The fourth proportional to 19,910.69, 29,853.50 and 9,374.36 is: 14,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.69 : 29,853.50 = 9,374.36 : x
  2. Step 2: Convert to fraction form
    19,910.69/29,853.50 = 9,374.36/x
  3. Step 3: Cross multiply
    19,910.69x = 29,853.50 × 9,374.36
  4. Step 4: Simplify right side
    19,910.69x = 279,857,456.26
  5. Step 5: Solve for x
    x = 279,857,456.26/19,910.69
  6. Step 6: Final answer
    x = 14,055.64

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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.