Home / 13,330.44-19,964.52-10,538.36

Finding the Fourth Proportional to 13,330.44, 19,964.52 and 10,538.36

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Solution

The fourth proportional to 13,330.44, 19,964.52 and 10,538.36 is: 15,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.44 : 19,964.52 = 10,538.36 : x
  2. Step 2: Convert to fraction form
    13,330.44/19,964.52 = 10,538.36/x
  3. Step 3: Cross multiply
    13,330.44x = 19,964.52 × 10,538.36
  4. Step 4: Simplify right side
    13,330.44x = 210,393,298.99
  5. Step 5: Solve for x
    x = 210,393,298.99/13,330.44
  6. Step 6: Final answer
    x = 15,782.92

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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.