Home / 19,583.60-29,375.40-19,194.80

Finding the Fourth Proportional to 19,583.60, 29,375.40 and 19,194.80

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Solution

The fourth proportional to 19,583.60, 29,375.40 and 19,194.80 is: 28,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.60 : 29,375.40 = 19,194.80 : x
  2. Step 2: Convert to fraction form
    19,583.60/29,375.40 = 19,194.80/x
  3. Step 3: Cross multiply
    19,583.60x = 29,375.40 × 19,194.80
  4. Step 4: Simplify right side
    19,583.60x = 563,854,927.92
  5. Step 5: Solve for x
    x = 563,854,927.92/19,583.60
  6. Step 6: Final answer
    x = 28,792.20

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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.