Home / 19,369.47-26,738.72-14,891.65

Finding the Fourth Proportional to 19,369.47, 26,738.72 and 14,891.65

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Solution

The fourth proportional to 19,369.47, 26,738.72 and 14,891.65 is: 20,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.47 : 26,738.72 = 14,891.65 : x
  2. Step 2: Convert to fraction form
    19,369.47/26,738.72 = 14,891.65/x
  3. Step 3: Cross multiply
    19,369.47x = 26,738.72 × 14,891.65
  4. Step 4: Simplify right side
    19,369.47x = 398,183,659.69
  5. Step 5: Solve for x
    x = 398,183,659.69/19,369.47
  6. Step 6: Final answer
    x = 20,557.28

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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.