Home / 20,566.64-30,845.10-9,466.40

Finding the Fourth Proportional to 20,566.64, 30,845.10 and 9,466.40

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Solution

The fourth proportional to 20,566.64, 30,845.10 and 9,466.40 is: 14,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.64 : 30,845.10 = 9,466.40 : x
  2. Step 2: Convert to fraction form
    20,566.64/30,845.10 = 9,466.40/x
  3. Step 3: Cross multiply
    20,566.64x = 30,845.10 × 9,466.40
  4. Step 4: Simplify right side
    20,566.64x = 291,992,054.64
  5. Step 5: Solve for x
    x = 291,992,054.64/20,566.64
  6. Step 6: Final answer
    x = 14,197.36

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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.