Home / 19,474.40-26,878.17-18,586.96

Finding the Fourth Proportional to 19,474.40, 26,878.17 and 18,586.96

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Solution

The fourth proportional to 19,474.40, 26,878.17 and 18,586.96 is: 25,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.40 : 26,878.17 = 18,586.96 : x
  2. Step 2: Convert to fraction form
    19,474.40/26,878.17 = 18,586.96/x
  3. Step 3: Cross multiply
    19,474.40x = 26,878.17 × 18,586.96
  4. Step 4: Simplify right side
    19,474.40x = 499,583,336.27
  5. Step 5: Solve for x
    x = 499,583,336.27/19,474.40
  6. Step 6: Final answer
    x = 25,653.34

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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.