Home / 14,409.12-21,613.70-3,465.12

Finding the Fourth Proportional to 14,409.12, 21,613.70 and 3,465.12

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Solution

The fourth proportional to 14,409.12, 21,613.70 and 3,465.12 is: 5,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.12 : 21,613.70 = 3,465.12 : x
  2. Step 2: Convert to fraction form
    14,409.12/21,613.70 = 3,465.12/x
  3. Step 3: Cross multiply
    14,409.12x = 21,613.70 × 3,465.12
  4. Step 4: Simplify right side
    14,409.12x = 74,894,064.14
  5. Step 5: Solve for x
    x = 74,894,064.14/14,409.12
  6. Step 6: Final answer
    x = 5,197.68

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Similar ratio
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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.