Home / 13,921.26-19,211.54-7,633.50

Finding the Fourth Proportional to 13,921.26, 19,211.54 and 7,633.50

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Solution

The fourth proportional to 13,921.26, 19,211.54 and 7,633.50 is: 10,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.26 : 19,211.54 = 7,633.50 : x
  2. Step 2: Convert to fraction form
    13,921.26/19,211.54 = 7,633.50/x
  3. Step 3: Cross multiply
    13,921.26x = 19,211.54 × 7,633.50
  4. Step 4: Simplify right side
    13,921.26x = 146,651,252.42
  5. Step 5: Solve for x
    x = 146,651,252.42/13,921.26
  6. Step 6: Final answer
    x = 10,534.34

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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.