Home / 18,836.37-25,988.94-13,460.43

Finding the Fourth Proportional to 18,836.37, 25,988.94 and 13,460.43

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Solution

The fourth proportional to 18,836.37, 25,988.94 and 13,460.43 is: 18,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.37 : 25,988.94 = 13,460.43 : x
  2. Step 2: Convert to fraction form
    18,836.37/25,988.94 = 13,460.43/x
  3. Step 3: Cross multiply
    18,836.37x = 25,988.94 × 13,460.43
  4. Step 4: Simplify right side
    18,836.37x = 349,822,307.64
  5. Step 5: Solve for x
    x = 349,822,307.64/18,836.37
  6. Step 6: Final answer
    x = 18,571.64

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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.