Home / 19,736.36-29,606.53-6,408.80

Finding the Fourth Proportional to 19,736.36, 29,606.53 and 6,408.80

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Solution

The fourth proportional to 19,736.36, 29,606.53 and 6,408.80 is: 9,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.36 : 29,606.53 = 6,408.80 : x
  2. Step 2: Convert to fraction form
    19,736.36/29,606.53 = 6,408.80/x
  3. Step 3: Cross multiply
    19,736.36x = 29,606.53 × 6,408.80
  4. Step 4: Simplify right side
    19,736.36x = 189,742,329.46
  5. Step 5: Solve for x
    x = 189,742,329.46/19,736.36
  6. Step 6: Final answer
    x = 9,613.85

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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.