Home / 19,829.52-29,705.88-13,574.64

Finding the Fourth Proportional to 19,829.52, 29,705.88 and 13,574.64

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Solution

The fourth proportional to 19,829.52, 29,705.88 and 13,574.64 is: 20,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.52 : 29,705.88 = 13,574.64 : x
  2. Step 2: Convert to fraction form
    19,829.52/29,705.88 = 13,574.64/x
  3. Step 3: Cross multiply
    19,829.52x = 29,705.88 × 13,574.64
  4. Step 4: Simplify right side
    19,829.52x = 403,246,626.88
  5. Step 5: Solve for x
    x = 403,246,626.88/19,829.52
  6. Step 6: Final answer
    x = 20,335.67

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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.