Home / 20,511.60-30,753.71-7,362.26

Finding the Fourth Proportional to 20,511.60, 30,753.71 and 7,362.26

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Solution

The fourth proportional to 20,511.60, 30,753.71 and 7,362.26 is: 11,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,511.60 : 30,753.71 = 7,362.26 : x
  2. Step 2: Convert to fraction form
    20,511.60/30,753.71 = 7,362.26/x
  3. Step 3: Cross multiply
    20,511.60x = 30,753.71 × 7,362.26
  4. Step 4: Simplify right side
    20,511.60x = 226,416,808.98
  5. Step 5: Solve for x
    x = 226,416,808.98/20,511.60
  6. Step 6: Final answer
    x = 11,038.48

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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.