Home / 13,833.03-19,086.63-8,166.90

Finding the Fourth Proportional to 13,833.03, 19,086.63 and 8,166.90

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Solution

The fourth proportional to 13,833.03, 19,086.63 and 8,166.90 is: 11,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.03 : 19,086.63 = 8,166.90 : x
  2. Step 2: Convert to fraction form
    13,833.03/19,086.63 = 8,166.90/x
  3. Step 3: Cross multiply
    13,833.03x = 19,086.63 × 8,166.90
  4. Step 4: Simplify right side
    13,833.03x = 155,878,598.55
  5. Step 5: Solve for x
    x = 155,878,598.55/13,833.03
  6. Step 6: Final answer
    x = 11,268.58

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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.