Home / 14,181.12-19,569.60-7,893.60

Finding the Fourth Proportional to 14,181.12, 19,569.60 and 7,893.60

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Solution

The fourth proportional to 14,181.12, 19,569.60 and 7,893.60 is: 10,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.12 : 19,569.60 = 7,893.60 : x
  2. Step 2: Convert to fraction form
    14,181.12/19,569.60 = 7,893.60/x
  3. Step 3: Cross multiply
    14,181.12x = 19,569.60 × 7,893.60
  4. Step 4: Simplify right side
    14,181.12x = 154,474,594.56
  5. Step 5: Solve for x
    x = 154,474,594.56/14,181.12
  6. Step 6: Final answer
    x = 10,892.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.