Home / 21,702.70-32,555.13-6,118.30

Finding the Fourth Proportional to 21,702.70, 32,555.13 and 6,118.30

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Solution

The fourth proportional to 21,702.70, 32,555.13 and 6,118.30 is: 9,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.70 : 32,555.13 = 6,118.30 : x
  2. Step 2: Convert to fraction form
    21,702.70/32,555.13 = 6,118.30/x
  3. Step 3: Cross multiply
    21,702.70x = 32,555.13 × 6,118.30
  4. Step 4: Simplify right side
    21,702.70x = 199,182,051.88
  5. Step 5: Solve for x
    x = 199,182,051.88/21,702.70
  6. Step 6: Final answer
    x = 9,177.75

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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.