Home / 19,784.09-29,683.16-6,636.44

Finding the Fourth Proportional to 19,784.09, 29,683.16 and 6,636.44

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Solution

The fourth proportional to 19,784.09, 29,683.16 and 6,636.44 is: 9,957.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.09 : 29,683.16 = 6,636.44 : x
  2. Step 2: Convert to fraction form
    19,784.09/29,683.16 = 6,636.44/x
  3. Step 3: Cross multiply
    19,784.09x = 29,683.16 × 6,636.44
  4. Step 4: Simplify right side
    19,784.09x = 196,990,477.17
  5. Step 5: Solve for x
    x = 196,990,477.17/19,784.09
  6. Step 6: Final answer
    x = 9,957.01

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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.