Home / 13,646.99-20,466.12-5,324.98

Finding the Fourth Proportional to 13,646.99, 20,466.12 and 5,324.98

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Solution

The fourth proportional to 13,646.99, 20,466.12 and 5,324.98 is: 7,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.99 : 20,466.12 = 5,324.98 : x
  2. Step 2: Convert to fraction form
    13,646.99/20,466.12 = 5,324.98/x
  3. Step 3: Cross multiply
    13,646.99x = 20,466.12 × 5,324.98
  4. Step 4: Simplify right side
    13,646.99x = 108,981,577.35
  5. Step 5: Solve for x
    x = 108,981,577.35/13,646.99
  6. Step 6: Final answer
    x = 7,985.76

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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.