Home / 19,092.21-28,646.82-7,406.34

Finding the Fourth Proportional to 19,092.21, 28,646.82 and 7,406.34

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Solution

The fourth proportional to 19,092.21, 28,646.82 and 7,406.34 is: 11,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.21 : 28,646.82 = 7,406.34 : x
  2. Step 2: Convert to fraction form
    19,092.21/28,646.82 = 7,406.34/x
  3. Step 3: Cross multiply
    19,092.21x = 28,646.82 × 7,406.34
  4. Step 4: Simplify right side
    19,092.21x = 212,168,088.84
  5. Step 5: Solve for x
    x = 212,168,088.84/19,092.21
  6. Step 6: Final answer
    x = 11,112.81

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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.