Home / 13,281.02-19,824.36-11,704.65

Finding the Fourth Proportional to 13,281.02, 19,824.36 and 11,704.65

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Solution

The fourth proportional to 13,281.02, 19,824.36 and 11,704.65 is: 17,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.02 : 19,824.36 = 11,704.65 : x
  2. Step 2: Convert to fraction form
    13,281.02/19,824.36 = 11,704.65/x
  3. Step 3: Cross multiply
    13,281.02x = 19,824.36 × 11,704.65
  4. Step 4: Simplify right side
    13,281.02x = 232,037,288.73
  5. Step 5: Solve for x
    x = 232,037,288.73/13,281.02
  6. Step 6: Final answer
    x = 17,471.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.