Home / 19,221.24-28,828.26-8,830.44

Finding the Fourth Proportional to 19,221.24, 28,828.26 and 8,830.44

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Solution

The fourth proportional to 19,221.24, 28,828.26 and 8,830.44 is: 13,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.24 : 28,828.26 = 8,830.44 : x
  2. Step 2: Convert to fraction form
    19,221.24/28,828.26 = 8,830.44/x
  3. Step 3: Cross multiply
    19,221.24x = 28,828.26 × 8,830.44
  4. Step 4: Simplify right side
    19,221.24x = 254,566,220.23
  5. Step 5: Solve for x
    x = 254,566,220.23/19,221.24
  6. Step 6: Final answer
    x = 13,244.01

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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.