Home / 18,284.06-25,232.04-9,900.56

Finding the Fourth Proportional to 18,284.06, 25,232.04 and 9,900.56

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Solution

The fourth proportional to 18,284.06, 25,232.04 and 9,900.56 is: 13,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.06 : 25,232.04 = 9,900.56 : x
  2. Step 2: Convert to fraction form
    18,284.06/25,232.04 = 9,900.56/x
  3. Step 3: Cross multiply
    18,284.06x = 25,232.04 × 9,900.56
  4. Step 4: Simplify right side
    18,284.06x = 249,811,389.02
  5. Step 5: Solve for x
    x = 249,811,389.02/18,284.06
  6. Step 6: Final answer
    x = 13,662.79

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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.