Home / 19,611.48-29,416.50-4,820.44

Finding the Fourth Proportional to 19,611.48, 29,416.50 and 4,820.44

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Solution

The fourth proportional to 19,611.48, 29,416.50 and 4,820.44 is: 7,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.48 : 29,416.50 = 4,820.44 : x
  2. Step 2: Convert to fraction form
    19,611.48/29,416.50 = 4,820.44/x
  3. Step 3: Cross multiply
    19,611.48x = 29,416.50 × 4,820.44
  4. Step 4: Simplify right side
    19,611.48x = 141,800,473.26
  5. Step 5: Solve for x
    x = 141,800,473.26/19,611.48
  6. Step 6: Final answer
    x = 7,230.48

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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.