Home / 19,163.64-26,430.82-12,451.42

Finding the Fourth Proportional to 19,163.64, 26,430.82 and 12,451.42

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Solution

The fourth proportional to 19,163.64, 26,430.82 and 12,451.42 is: 17,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.64 : 26,430.82 = 12,451.42 : x
  2. Step 2: Convert to fraction form
    19,163.64/26,430.82 = 12,451.42/x
  3. Step 3: Cross multiply
    19,163.64x = 26,430.82 × 12,451.42
  4. Step 4: Simplify right side
    19,163.64x = 329,101,240.76
  5. Step 5: Solve for x
    x = 329,101,240.76/19,163.64
  6. Step 6: Final answer
    x = 17,173.21

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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.