Home / 23,291.84-34,982.40-19,967.60

Finding the Fourth Proportional to 23,291.84, 34,982.40 and 19,967.60

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Solution

The fourth proportional to 23,291.84, 34,982.40 and 19,967.60 is: 29,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.84 : 34,982.40 = 19,967.60 : x
  2. Step 2: Convert to fraction form
    23,291.84/34,982.40 = 19,967.60/x
  3. Step 3: Cross multiply
    23,291.84x = 34,982.40 × 19,967.60
  4. Step 4: Simplify right side
    23,291.84x = 698,514,570.24
  5. Step 5: Solve for x
    x = 698,514,570.24/23,291.84
  6. Step 6: Final answer
    x = 29,989.67

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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.