Home / 19,406.05-29,083.93-8,148.63

Finding the Fourth Proportional to 19,406.05, 29,083.93 and 8,148.63

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Solution

The fourth proportional to 19,406.05, 29,083.93 and 8,148.63 is: 12,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,406.05 : 29,083.93 = 8,148.63 : x
  2. Step 2: Convert to fraction form
    19,406.05/29,083.93 = 8,148.63/x
  3. Step 3: Cross multiply
    19,406.05x = 29,083.93 × 8,148.63
  4. Step 4: Simplify right side
    19,406.05x = 236,994,184.52
  5. Step 5: Solve for x
    x = 236,994,184.52/19,406.05
  6. Step 6: Final answer
    x = 12,212.39

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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.