Home / 21,558.70-32,337.98-6,768.72

Finding the Fourth Proportional to 21,558.70, 32,337.98 and 6,768.72

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Solution

The fourth proportional to 21,558.70, 32,337.98 and 6,768.72 is: 10,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.70 : 32,337.98 = 6,768.72 : x
  2. Step 2: Convert to fraction form
    21,558.70/32,337.98 = 6,768.72/x
  3. Step 3: Cross multiply
    21,558.70x = 32,337.98 × 6,768.72
  4. Step 4: Simplify right side
    21,558.70x = 218,886,723.52
  5. Step 5: Solve for x
    x = 218,886,723.52/21,558.70
  6. Step 6: Final answer
    x = 10,153.06

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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.