Home / 18,843.60-25,938.93-16,290.18

Finding the Fourth Proportional to 18,843.60, 25,938.93 and 16,290.18

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Solution

The fourth proportional to 18,843.60, 25,938.93 and 16,290.18 is: 22,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.60 : 25,938.93 = 16,290.18 : x
  2. Step 2: Convert to fraction form
    18,843.60/25,938.93 = 16,290.18/x
  3. Step 3: Cross multiply
    18,843.60x = 25,938.93 × 16,290.18
  4. Step 4: Simplify right side
    18,843.60x = 422,549,899.80
  5. Step 5: Solve for x
    x = 422,549,899.80/18,843.60
  6. Step 6: Final answer
    x = 22,424.05

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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.