Home / 19,268.35-26,558.49-12,892.65

Finding the Fourth Proportional to 19,268.35, 26,558.49 and 12,892.65

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Solution

The fourth proportional to 19,268.35, 26,558.49 and 12,892.65 is: 17,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.35 : 26,558.49 = 12,892.65 : x
  2. Step 2: Convert to fraction form
    19,268.35/26,558.49 = 12,892.65/x
  3. Step 3: Cross multiply
    19,268.35x = 26,558.49 × 12,892.65
  4. Step 4: Simplify right side
    19,268.35x = 342,409,316.10
  5. Step 5: Solve for x
    x = 342,409,316.10/19,268.35
  6. Step 6: Final answer
    x = 17,770.56

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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.