Home / 13,873.67-19,161.44-9,328.44

Finding the Fourth Proportional to 13,873.67, 19,161.44 and 9,328.44

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Solution

The fourth proportional to 13,873.67, 19,161.44 and 9,328.44 is: 12,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.67 : 19,161.44 = 9,328.44 : x
  2. Step 2: Convert to fraction form
    13,873.67/19,161.44 = 9,328.44/x
  3. Step 3: Cross multiply
    13,873.67x = 19,161.44 × 9,328.44
  4. Step 4: Simplify right side
    13,873.67x = 178,746,296.71
  5. Step 5: Solve for x
    x = 178,746,296.71/13,873.67
  6. Step 6: Final answer
    x = 12,883.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.