Home / 13,946.26-19,247.18-7,976.76

Finding the Fourth Proportional to 13,946.26, 19,247.18 and 7,976.76

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Solution

The fourth proportional to 13,946.26, 19,247.18 and 7,976.76 is: 11,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.26 : 19,247.18 = 7,976.76 : x
  2. Step 2: Convert to fraction form
    13,946.26/19,247.18 = 7,976.76/x
  3. Step 3: Cross multiply
    13,946.26x = 19,247.18 × 7,976.76
  4. Step 4: Simplify right side
    13,946.26x = 153,530,135.54
  5. Step 5: Solve for x
    x = 153,530,135.54/13,946.26
  6. Step 6: Final answer
    x = 11,008.70

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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.