Home / 13,951.56-19,256.46-7,986.66

Finding the Fourth Proportional to 13,951.56, 19,256.46 and 7,986.66

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Solution

The fourth proportional to 13,951.56, 19,256.46 and 7,986.66 is: 11,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.56 : 19,256.46 = 7,986.66 : x
  2. Step 2: Convert to fraction form
    13,951.56/19,256.46 = 7,986.66/x
  3. Step 3: Cross multiply
    13,951.56x = 19,256.46 × 7,986.66
  4. Step 4: Simplify right side
    13,951.56x = 153,794,798.82
  5. Step 5: Solve for x
    x = 153,794,798.82/13,951.56
  6. Step 6: Final answer
    x = 11,023.48

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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.