Home / 14,782.69-22,173.78-3,689.23

Finding the Fourth Proportional to 14,782.69, 22,173.78 and 3,689.23

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Solution

The fourth proportional to 14,782.69, 22,173.78 and 3,689.23 is: 5,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.69 : 22,173.78 = 3,689.23 : x
  2. Step 2: Convert to fraction form
    14,782.69/22,173.78 = 3,689.23/x
  3. Step 3: Cross multiply
    14,782.69x = 22,173.78 × 3,689.23
  4. Step 4: Simplify right side
    14,782.69x = 81,804,174.39
  5. Step 5: Solve for x
    x = 81,804,174.39/14,782.69
  6. Step 6: Final answer
    x = 5,533.78

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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.