Home / 19,268.85-26,559.18-12,893.15

Finding the Fourth Proportional to 19,268.85, 26,559.18 and 12,893.15

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Solution

The fourth proportional to 19,268.85, 26,559.18 and 12,893.15 is: 17,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.85 : 26,559.18 = 12,893.15 : x
  2. Step 2: Convert to fraction form
    19,268.85/26,559.18 = 12,893.15/x
  3. Step 3: Cross multiply
    19,268.85x = 26,559.18 × 12,893.15
  4. Step 4: Simplify right side
    19,268.85x = 342,431,358.82
  5. Step 5: Solve for x
    x = 342,431,358.82/19,268.85
  6. Step 6: Final answer
    x = 17,771.24

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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.