Home / 14,217.30-21,330.50-6,822.34

Finding the Fourth Proportional to 14,217.30, 21,330.50 and 6,822.34

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Solution

The fourth proportional to 14,217.30, 21,330.50 and 6,822.34 is: 10,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.30 : 21,330.50 = 6,822.34 : x
  2. Step 2: Convert to fraction form
    14,217.30/21,330.50 = 6,822.34/x
  3. Step 3: Cross multiply
    14,217.30x = 21,330.50 × 6,822.34
  4. Step 4: Simplify right side
    14,217.30x = 145,523,923.37
  5. Step 5: Solve for x
    x = 145,523,923.37/14,217.30
  6. Step 6: Final answer
    x = 10,235.69

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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.