Home / 19,455.52-26,857.56-12,741.43

Finding the Fourth Proportional to 19,455.52, 26,857.56 and 12,741.43

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Solution

The fourth proportional to 19,455.52, 26,857.56 and 12,741.43 is: 17,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.52 : 26,857.56 = 12,741.43 : x
  2. Step 2: Convert to fraction form
    19,455.52/26,857.56 = 12,741.43/x
  3. Step 3: Cross multiply
    19,455.52x = 26,857.56 × 12,741.43
  4. Step 4: Simplify right side
    19,455.52x = 342,203,720.71
  5. Step 5: Solve for x
    x = 342,203,720.71/19,455.52
  6. Step 6: Final answer
    x = 17,589.03

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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.