Home / 19,611.09-29,416.37-4,820.13

Finding the Fourth Proportional to 19,611.09, 29,416.37 and 4,820.13

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Solution

The fourth proportional to 19,611.09, 29,416.37 and 4,820.13 is: 7,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.09 : 29,416.37 = 4,820.13 : x
  2. Step 2: Convert to fraction form
    19,611.09/29,416.37 = 4,820.13/x
  3. Step 3: Cross multiply
    19,611.09x = 29,416.37 × 4,820.13
  4. Step 4: Simplify right side
    19,611.09x = 141,790,727.53
  5. Step 5: Solve for x
    x = 141,790,727.53/19,611.09
  6. Step 6: Final answer
    x = 7,230.13

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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.