Home / 18,835.07-25,993.20-11,282.63

Finding the Fourth Proportional to 18,835.07, 25,993.20 and 11,282.63

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Solution

The fourth proportional to 18,835.07, 25,993.20 and 11,282.63 is: 15,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.07 : 25,993.20 = 11,282.63 : x
  2. Step 2: Convert to fraction form
    18,835.07/25,993.20 = 11,282.63/x
  3. Step 3: Cross multiply
    18,835.07x = 25,993.20 × 11,282.63
  4. Step 4: Simplify right side
    18,835.07x = 293,271,570.46
  5. Step 5: Solve for x
    x = 293,271,570.46/18,835.07
  6. Step 6: Final answer
    x = 15,570.51

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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.