Home / 19,029.68-28,537.32-9,166.64

Finding the Fourth Proportional to 19,029.68, 28,537.32 and 9,166.64

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Solution

The fourth proportional to 19,029.68, 28,537.32 and 9,166.64 is: 13,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.68 : 28,537.32 = 9,166.64 : x
  2. Step 2: Convert to fraction form
    19,029.68/28,537.32 = 9,166.64/x
  3. Step 3: Cross multiply
    19,029.68x = 28,537.32 × 9,166.64
  4. Step 4: Simplify right side
    19,029.68x = 261,591,339.00
  5. Step 5: Solve for x
    x = 261,591,339.00/19,029.68
  6. Step 6: Final answer
    x = 13,746.49

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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.