Home / 19,107.48-28,650.19-7,407.03

Finding the Fourth Proportional to 19,107.48, 28,650.19 and 7,407.03

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Solution

The fourth proportional to 19,107.48, 28,650.19 and 7,407.03 is: 11,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.48 : 28,650.19 = 7,407.03 : x
  2. Step 2: Convert to fraction form
    19,107.48/28,650.19 = 7,407.03/x
  3. Step 3: Cross multiply
    19,107.48x = 28,650.19 × 7,407.03
  4. Step 4: Simplify right side
    19,107.48x = 212,212,816.84
  5. Step 5: Solve for x
    x = 212,212,816.84/19,107.48
  6. Step 6: Final answer
    x = 11,106.27

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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.