Home / 19,389.94-29,086.41-6,242.71

Finding the Fourth Proportional to 19,389.94, 29,086.41 and 6,242.71

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Solution

The fourth proportional to 19,389.94, 29,086.41 and 6,242.71 is: 9,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.94 : 29,086.41 = 6,242.71 : x
  2. Step 2: Convert to fraction form
    19,389.94/29,086.41 = 6,242.71/x
  3. Step 3: Cross multiply
    19,389.94x = 29,086.41 × 6,242.71
  4. Step 4: Simplify right side
    19,389.94x = 181,578,022.57
  5. Step 5: Solve for x
    x = 181,578,022.57/19,389.94
  6. Step 6: Final answer
    x = 9,364.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.