Home / 18,572.25-25,618.37-12,199.58

Finding the Fourth Proportional to 18,572.25, 25,618.37 and 12,199.58

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Solution

The fourth proportional to 18,572.25, 25,618.37 and 12,199.58 is: 16,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.25 : 25,618.37 = 12,199.58 : x
  2. Step 2: Convert to fraction form
    18,572.25/25,618.37 = 12,199.58/x
  3. Step 3: Cross multiply
    18,572.25x = 25,618.37 × 12,199.58
  4. Step 4: Simplify right side
    18,572.25x = 312,533,165.19
  5. Step 5: Solve for x
    x = 312,533,165.19/18,572.25
  6. Step 6: Final answer
    x = 16,827.96

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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.