Home / 27,559.66-38,043.93-18,619.22

Finding the Fourth Proportional to 27,559.66, 38,043.93 and 18,619.22

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Solution

The fourth proportional to 27,559.66, 38,043.93 and 18,619.22 is: 25,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.66 : 38,043.93 = 18,619.22 : x
  2. Step 2: Convert to fraction form
    27,559.66/38,043.93 = 18,619.22/x
  3. Step 3: Cross multiply
    27,559.66x = 38,043.93 × 18,619.22
  4. Step 4: Simplify right side
    27,559.66x = 708,348,302.33
  5. Step 5: Solve for x
    x = 708,348,302.33/27,559.66
  6. Step 6: Final answer
    x = 25,702.36

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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.