Home / 19,764.60-29,646.74-8,069.62

Finding the Fourth Proportional to 19,764.60, 29,646.74 and 8,069.62

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Solution

The fourth proportional to 19,764.60, 29,646.74 and 8,069.62 is: 12,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.60 : 29,646.74 = 8,069.62 : x
  2. Step 2: Convert to fraction form
    19,764.60/29,646.74 = 8,069.62/x
  3. Step 3: Cross multiply
    19,764.60x = 29,646.74 × 8,069.62
  4. Step 4: Simplify right side
    19,764.60x = 239,237,737.46
  5. Step 5: Solve for x
    x = 239,237,737.46/19,764.60
  6. Step 6: Final answer
    x = 12,104.36

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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.