Home / 18,702.36-28,029.30-7,596.15

Finding the Fourth Proportional to 18,702.36, 28,029.30 and 7,596.15

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Solution

The fourth proportional to 18,702.36, 28,029.30 and 7,596.15 is: 11,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702.36 : 28,029.30 = 7,596.15 : x
  2. Step 2: Convert to fraction form
    18,702.36/28,029.30 = 7,596.15/x
  3. Step 3: Cross multiply
    18,702.36x = 28,029.30 × 7,596.15
  4. Step 4: Simplify right side
    18,702.36x = 212,914,767.20
  5. Step 5: Solve for x
    x = 212,914,767.20/18,702.36
  6. Step 6: Final answer
    x = 11,384.38

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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.