Home / 14,631.60-21,958.20-9,699.60

Finding the Fourth Proportional to 14,631.60, 21,958.20 and 9,699.60

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Solution

The fourth proportional to 14,631.60, 21,958.20 and 9,699.60 is: 14,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.60 : 21,958.20 = 9,699.60 : x
  2. Step 2: Convert to fraction form
    14,631.60/21,958.20 = 9,699.60/x
  3. Step 3: Cross multiply
    14,631.60x = 21,958.20 × 9,699.60
  4. Step 4: Simplify right side
    14,631.60x = 212,985,756.72
  5. Step 5: Solve for x
    x = 212,985,756.72/14,631.60
  6. Step 6: Final answer
    x = 14,556.56

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1.5x scale

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.