Home / 21,658.70-32,498.38-11,797.76

Finding the Fourth Proportional to 21,658.70, 32,498.38 and 11,797.76

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Solution

The fourth proportional to 21,658.70, 32,498.38 and 11,797.76 is: 17,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.70 : 32,498.38 = 11,797.76 : x
  2. Step 2: Convert to fraction form
    21,658.70/32,498.38 = 11,797.76/x
  3. Step 3: Cross multiply
    21,658.70x = 32,498.38 × 11,797.76
  4. Step 4: Simplify right side
    21,658.70x = 383,408,216.80
  5. Step 5: Solve for x
    x = 383,408,216.80/21,658.70
  6. Step 6: Final answer
    x = 17,702.27

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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.