Home / 18,295.49-27,445.84-5,646.31

Finding the Fourth Proportional to 18,295.49, 27,445.84 and 5,646.31

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Solution

The fourth proportional to 18,295.49, 27,445.84 and 5,646.31 is: 8,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.49 : 27,445.84 = 5,646.31 : x
  2. Step 2: Convert to fraction form
    18,295.49/27,445.84 = 5,646.31/x
  3. Step 3: Cross multiply
    18,295.49x = 27,445.84 × 5,646.31
  4. Step 4: Simplify right side
    18,295.49x = 154,967,720.85
  5. Step 5: Solve for x
    x = 154,967,720.85/18,295.49
  6. Step 6: Final answer
    x = 8,470.27

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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.