Home / 14,169.94-19,555.43-7,882.31

Finding the Fourth Proportional to 14,169.94, 19,555.43 and 7,882.31

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Solution

The fourth proportional to 14,169.94, 19,555.43 and 7,882.31 is: 10,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.94 : 19,555.43 = 7,882.31 : x
  2. Step 2: Convert to fraction form
    14,169.94/19,555.43 = 7,882.31/x
  3. Step 3: Cross multiply
    14,169.94x = 19,555.43 × 7,882.31
  4. Step 4: Simplify right side
    14,169.94x = 154,141,970.92
  5. Step 5: Solve for x
    x = 154,141,970.92/14,169.94
  6. Step 6: Final answer
    x = 10,878.10

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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.