Home / 18,283.94-25,231.85-9,900.44

Finding the Fourth Proportional to 18,283.94, 25,231.85 and 9,900.44

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Solution

The fourth proportional to 18,283.94, 25,231.85 and 9,900.44 is: 13,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.94 : 25,231.85 = 9,900.44 : x
  2. Step 2: Convert to fraction form
    18,283.94/25,231.85 = 9,900.44/x
  3. Step 3: Cross multiply
    18,283.94x = 25,231.85 × 9,900.44
  4. Step 4: Simplify right side
    18,283.94x = 249,806,417.01
  5. Step 5: Solve for x
    x = 249,806,417.01/18,283.94
  6. Step 6: Final answer
    x = 13,662.61

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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.