Home / 13,900.02-19,181.43-8,595.42

Finding the Fourth Proportional to 13,900.02, 19,181.43 and 8,595.42

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Solution

The fourth proportional to 13,900.02, 19,181.43 and 8,595.42 is: 11,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.02 : 19,181.43 = 8,595.42 : x
  2. Step 2: Convert to fraction form
    13,900.02/19,181.43 = 8,595.42/x
  3. Step 3: Cross multiply
    13,900.02x = 19,181.43 × 8,595.42
  4. Step 4: Simplify right side
    13,900.02x = 164,872,447.05
  5. Step 5: Solve for x
    x = 164,872,447.05/13,900.02
  6. Step 6: Final answer
    x = 11,861.31

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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.