Home / 19,604.48-29,408.64-6,456.96

Finding the Fourth Proportional to 19,604.48, 29,408.64 and 6,456.96

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Solution

The fourth proportional to 19,604.48, 29,408.64 and 6,456.96 is: 9,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.48 : 29,408.64 = 6,456.96 : x
  2. Step 2: Convert to fraction form
    19,604.48/29,408.64 = 6,456.96/x
  3. Step 3: Cross multiply
    19,604.48x = 29,408.64 × 6,456.96
  4. Step 4: Simplify right side
    19,604.48x = 189,890,412.13
  5. Step 5: Solve for x
    x = 189,890,412.13/19,604.48
  6. Step 6: Final answer
    x = 9,686.07

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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.