Home / 18,746.65-25,889.75-16,216.62

Finding the Fourth Proportional to 18,746.65, 25,889.75 and 16,216.62

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Solution

The fourth proportional to 18,746.65, 25,889.75 and 16,216.62 is: 22,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.65 : 25,889.75 = 16,216.62 : x
  2. Step 2: Convert to fraction form
    18,746.65/25,889.75 = 16,216.62/x
  3. Step 3: Cross multiply
    18,746.65x = 25,889.75 × 16,216.62
  4. Step 4: Simplify right side
    18,746.65x = 419,844,237.65
  5. Step 5: Solve for x
    x = 419,844,237.65/18,746.65
  6. Step 6: Final answer
    x = 22,395.69

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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.