Home / 19,536.40-26,972.46-15,051.64

Finding the Fourth Proportional to 19,536.40, 26,972.46 and 15,051.64

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Solution

The fourth proportional to 19,536.40, 26,972.46 and 15,051.64 is: 20,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.40 : 26,972.46 = 15,051.64 : x
  2. Step 2: Convert to fraction form
    19,536.40/26,972.46 = 15,051.64/x
  3. Step 3: Cross multiply
    19,536.40x = 26,972.46 × 15,051.64
  4. Step 4: Simplify right side
    19,536.40x = 405,979,757.83
  5. Step 5: Solve for x
    x = 405,979,757.83/19,536.40
  6. Step 6: Final answer
    x = 20,780.68

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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.