Home / 19,098.09-28,647.01-10,388.36

Finding the Fourth Proportional to 19,098.09, 28,647.01 and 10,388.36

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Solution

The fourth proportional to 19,098.09, 28,647.01 and 10,388.36 is: 15,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098.09 : 28,647.01 = 10,388.36 : x
  2. Step 2: Convert to fraction form
    19,098.09/28,647.01 = 10,388.36/x
  3. Step 3: Cross multiply
    19,098.09x = 28,647.01 × 10,388.36
  4. Step 4: Simplify right side
    19,098.09x = 297,595,452.80
  5. Step 5: Solve for x
    x = 297,595,452.80/19,098.09
  6. Step 6: Final answer
    x = 15,582.47

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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.