Home / 19,319.40-28,927.26-11,517.48

Finding the Fourth Proportional to 19,319.40, 28,927.26 and 11,517.48

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Solution

The fourth proportional to 19,319.40, 28,927.26 and 11,517.48 is: 17,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.40 : 28,927.26 = 11,517.48 : x
  2. Step 2: Convert to fraction form
    19,319.40/28,927.26 = 11,517.48/x
  3. Step 3: Cross multiply
    19,319.40x = 28,927.26 × 11,517.48
  4. Step 4: Simplify right side
    19,319.40x = 333,169,138.50
  5. Step 5: Solve for x
    x = 333,169,138.50/19,319.40
  6. Step 6: Final answer
    x = 17,245.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.