Home / 19,563.40-29,345.10-6,412.60

Finding the Fourth Proportional to 19,563.40, 29,345.10 and 6,412.60

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Solution

The fourth proportional to 19,563.40, 29,345.10 and 6,412.60 is: 9,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.40 : 29,345.10 = 6,412.60 : x
  2. Step 2: Convert to fraction form
    19,563.40/29,345.10 = 6,412.60/x
  3. Step 3: Cross multiply
    19,563.40x = 29,345.10 × 6,412.60
  4. Step 4: Simplify right side
    19,563.40x = 188,178,388.26
  5. Step 5: Solve for x
    x = 188,178,388.26/19,563.40
  6. Step 6: Final answer
    x = 9,618.90

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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.