Home / 19,941.84-29,905.31-6,612.39

Finding the Fourth Proportional to 19,941.84, 29,905.31 and 6,612.39

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Solution

The fourth proportional to 19,941.84, 29,905.31 and 6,612.39 is: 9,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.84 : 29,905.31 = 6,612.39 : x
  2. Step 2: Convert to fraction form
    19,941.84/29,905.31 = 6,612.39/x
  3. Step 3: Cross multiply
    19,941.84x = 29,905.31 × 6,612.39
  4. Step 4: Simplify right side
    19,941.84x = 197,745,589.32
  5. Step 5: Solve for x
    x = 197,745,589.32/19,941.84
  6. Step 6: Final answer
    x = 9,916.12

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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.