Home / 19,222.48-28,843.98-7,535.80

Finding the Fourth Proportional to 19,222.48, 28,843.98 and 7,535.80

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Solution

The fourth proportional to 19,222.48, 28,843.98 and 7,535.80 is: 11,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.48 : 28,843.98 = 7,535.80 : x
  2. Step 2: Convert to fraction form
    19,222.48/28,843.98 = 7,535.80/x
  3. Step 3: Cross multiply
    19,222.48x = 28,843.98 × 7,535.80
  4. Step 4: Simplify right side
    19,222.48x = 217,362,464.48
  5. Step 5: Solve for x
    x = 217,362,464.48/19,222.48
  6. Step 6: Final answer
    x = 11,307.72

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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.