Home / 21,774.72-32,662.26-6,983.66

Finding the Fourth Proportional to 21,774.72, 32,662.26 and 6,983.66

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Solution

The fourth proportional to 21,774.72, 32,662.26 and 6,983.66 is: 10,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.72 : 32,662.26 = 6,983.66 : x
  2. Step 2: Convert to fraction form
    21,774.72/32,662.26 = 6,983.66/x
  3. Step 3: Cross multiply
    21,774.72x = 32,662.26 × 6,983.66
  4. Step 4: Simplify right side
    21,774.72x = 228,102,118.67
  5. Step 5: Solve for x
    x = 228,102,118.67/21,774.72
  6. Step 6: Final answer
    x = 10,475.55

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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.