Home / 19,490.93-29,239.46-6,340.25

Finding the Fourth Proportional to 19,490.93, 29,239.46 and 6,340.25

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Solution

The fourth proportional to 19,490.93, 29,239.46 and 6,340.25 is: 9,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.93 : 29,239.46 = 6,340.25 : x
  2. Step 2: Convert to fraction form
    19,490.93/29,239.46 = 6,340.25/x
  3. Step 3: Cross multiply
    19,490.93x = 29,239.46 × 6,340.25
  4. Step 4: Simplify right side
    19,490.93x = 185,385,308.37
  5. Step 5: Solve for x
    x = 185,385,308.37/19,490.93
  6. Step 6: Final answer
    x = 9,511.37

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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.