Home / 19,051.85-26,304.39-11,892.66

Finding the Fourth Proportional to 19,051.85, 26,304.39 and 11,892.66

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Solution

The fourth proportional to 19,051.85, 26,304.39 and 11,892.66 is: 16,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.85 : 26,304.39 = 11,892.66 : x
  2. Step 2: Convert to fraction form
    19,051.85/26,304.39 = 11,892.66/x
  3. Step 3: Cross multiply
    19,051.85x = 26,304.39 × 11,892.66
  4. Step 4: Simplify right side
    19,051.85x = 312,829,107.31
  5. Step 5: Solve for x
    x = 312,829,107.31/19,051.85
  6. Step 6: Final answer
    x = 16,419.89

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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.