Home / 19,093.51-26,343.66-12,379.42

Finding the Fourth Proportional to 19,093.51, 26,343.66 and 12,379.42

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Solution

The fourth proportional to 19,093.51, 26,343.66 and 12,379.42 is: 17,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.51 : 26,343.66 = 12,379.42 : x
  2. Step 2: Convert to fraction form
    19,093.51/26,343.66 = 12,379.42/x
  3. Step 3: Cross multiply
    19,093.51x = 26,343.66 × 12,379.42
  4. Step 4: Simplify right side
    19,093.51x = 326,119,231.48
  5. Step 5: Solve for x
    x = 326,119,231.48/19,093.51
  6. Step 6: Final answer
    x = 17,080.11

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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.