Home / 19,299.12-26,635.65-12,226.20

Finding the Fourth Proportional to 19,299.12, 26,635.65 and 12,226.20

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Solution

The fourth proportional to 19,299.12, 26,635.65 and 12,226.20 is: 16,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.12 : 26,635.65 = 12,226.20 : x
  2. Step 2: Convert to fraction form
    19,299.12/26,635.65 = 12,226.20/x
  3. Step 3: Cross multiply
    19,299.12x = 26,635.65 × 12,226.20
  4. Step 4: Simplify right side
    19,299.12x = 325,652,784.03
  5. Step 5: Solve for x
    x = 325,652,784.03/19,299.12
  6. Step 6: Final answer
    x = 16,873.97

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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.