Home / 19,073.40-26,317-11,520.96

Finding the Fourth Proportional to 19,073.40, 26,317 and 11,520.96

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Solution

The fourth proportional to 19,073.40, 26,317 and 11,520.96 is: 15,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.40 : 26,317 = 11,520.96 : x
  2. Step 2: Convert to fraction form
    19,073.40/26,317 = 11,520.96/x
  3. Step 3: Cross multiply
    19,073.40x = 26,317 × 11,520.96
  4. Step 4: Simplify right side
    19,073.40x = 303,197,104.32
  5. Step 5: Solve for x
    x = 303,197,104.32/19,073.40
  6. Step 6: Final answer
    x = 15,896.33

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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.