Home / 19,858.27-29,787.31-9,328.24

Finding the Fourth Proportional to 19,858.27, 29,787.31 and 9,328.24

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Solution

The fourth proportional to 19,858.27, 29,787.31 and 9,328.24 is: 13,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.27 : 29,787.31 = 9,328.24 : x
  2. Step 2: Convert to fraction form
    19,858.27/29,787.31 = 9,328.24/x
  3. Step 3: Cross multiply
    19,858.27x = 29,787.31 × 9,328.24
  4. Step 4: Simplify right side
    19,858.27x = 277,863,131.91
  5. Step 5: Solve for x
    x = 277,863,131.91/19,858.27
  6. Step 6: Final answer
    x = 13,992.31

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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.