Home / 14,176.71-19,563.84-7,889.09

Finding the Fourth Proportional to 14,176.71, 19,563.84 and 7,889.09

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Solution

The fourth proportional to 14,176.71, 19,563.84 and 7,889.09 is: 10,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.71 : 19,563.84 = 7,889.09 : x
  2. Step 2: Convert to fraction form
    14,176.71/19,563.84 = 7,889.09/x
  3. Step 3: Cross multiply
    14,176.71x = 19,563.84 × 7,889.09
  4. Step 4: Simplify right side
    14,176.71x = 154,340,796.69
  5. Step 5: Solve for x
    x = 154,340,796.69/14,176.71
  6. Step 6: Final answer
    x = 10,886.93

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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.