Home / 19,278.75-26,606.06-11,723.68

Finding the Fourth Proportional to 19,278.75, 26,606.06 and 11,723.68

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Solution

The fourth proportional to 19,278.75, 26,606.06 and 11,723.68 is: 16,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.75 : 26,606.06 = 11,723.68 : x
  2. Step 2: Convert to fraction form
    19,278.75/26,606.06 = 11,723.68/x
  3. Step 3: Cross multiply
    19,278.75x = 26,606.06 × 11,723.68
  4. Step 4: Simplify right side
    19,278.75x = 311,920,933.50
  5. Step 5: Solve for x
    x = 311,920,933.50/19,278.75
  6. Step 6: Final answer
    x = 16,179.52

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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.