Home / 18,725.64-25,829.51-14,239.56

Finding the Fourth Proportional to 18,725.64, 25,829.51 and 14,239.56

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Solution

The fourth proportional to 18,725.64, 25,829.51 and 14,239.56 is: 19,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.64 : 25,829.51 = 14,239.56 : x
  2. Step 2: Convert to fraction form
    18,725.64/25,829.51 = 14,239.56/x
  3. Step 3: Cross multiply
    18,725.64x = 25,829.51 × 14,239.56
  4. Step 4: Simplify right side
    18,725.64x = 367,800,786.22
  5. Step 5: Solve for x
    x = 367,800,786.22/18,725.64
  6. Step 6: Final answer
    x = 19,641.56

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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.