Home / 19,336.76-26,675.70-13,671.56

Finding the Fourth Proportional to 19,336.76, 26,675.70 and 13,671.56

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Solution

The fourth proportional to 19,336.76, 26,675.70 and 13,671.56 is: 18,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.76 : 26,675.70 = 13,671.56 : x
  2. Step 2: Convert to fraction form
    19,336.76/26,675.70 = 13,671.56/x
  3. Step 3: Cross multiply
    19,336.76x = 26,675.70 × 13,671.56
  4. Step 4: Simplify right side
    19,336.76x = 364,698,433.09
  5. Step 5: Solve for x
    x = 364,698,433.09/19,336.76
  6. Step 6: Final answer
    x = 18,860.37

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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.