Home / 19,485.54-29,231.14-6,154.02

Finding the Fourth Proportional to 19,485.54, 29,231.14 and 6,154.02

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Solution

The fourth proportional to 19,485.54, 29,231.14 and 6,154.02 is: 9,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.54 : 29,231.14 = 6,154.02 : x
  2. Step 2: Convert to fraction form
    19,485.54/29,231.14 = 6,154.02/x
  3. Step 3: Cross multiply
    19,485.54x = 29,231.14 × 6,154.02
  4. Step 4: Simplify right side
    19,485.54x = 179,889,020.18
  5. Step 5: Solve for x
    x = 179,889,020.18/19,485.54
  6. Step 6: Final answer
    x = 9,231.92

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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.