Home / 14,204.40-21,296.88-6,408.96

Finding the Fourth Proportional to 14,204.40, 21,296.88 and 6,408.96

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Solution

The fourth proportional to 14,204.40, 21,296.88 and 6,408.96 is: 9,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.40 : 21,296.88 = 6,408.96 : x
  2. Step 2: Convert to fraction form
    14,204.40/21,296.88 = 6,408.96/x
  3. Step 3: Cross multiply
    14,204.40x = 21,296.88 × 6,408.96
  4. Step 4: Simplify right side
    14,204.40x = 136,490,852.04
  5. Step 5: Solve for x
    x = 136,490,852.04/14,204.40
  6. Step 6: Final answer
    x = 9,609.05

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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.