Home / 18,789.71-25,947.23-14,065.79

Finding the Fourth Proportional to 18,789.71, 25,947.23 and 14,065.79

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Solution

The fourth proportional to 18,789.71, 25,947.23 and 14,065.79 is: 19,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.71 : 25,947.23 = 14,065.79 : x
  2. Step 2: Convert to fraction form
    18,789.71/25,947.23 = 14,065.79/x
  3. Step 3: Cross multiply
    18,789.71x = 25,947.23 × 14,065.79
  4. Step 4: Simplify right side
    18,789.71x = 364,968,266.89
  5. Step 5: Solve for x
    x = 364,968,266.89/18,789.71
  6. Step 6: Final answer
    x = 19,423.84

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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.