Home / 18,629.45-25,708.52-10,564.64

Finding the Fourth Proportional to 18,629.45, 25,708.52 and 10,564.64

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Solution

The fourth proportional to 18,629.45, 25,708.52 and 10,564.64 is: 14,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.45 : 25,708.52 = 10,564.64 : x
  2. Step 2: Convert to fraction form
    18,629.45/25,708.52 = 10,564.64/x
  3. Step 3: Cross multiply
    18,629.45x = 25,708.52 × 10,564.64
  4. Step 4: Simplify right side
    18,629.45x = 271,601,253.01
  5. Step 5: Solve for x
    x = 271,601,253.01/18,629.45
  6. Step 6: Final answer
    x = 14,579.14

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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.