Home / 18,985.44-26,200.62-10,603.56

Finding the Fourth Proportional to 18,985.44, 26,200.62 and 10,603.56

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Solution

The fourth proportional to 18,985.44, 26,200.62 and 10,603.56 is: 14,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.44 : 26,200.62 = 10,603.56 : x
  2. Step 2: Convert to fraction form
    18,985.44/26,200.62 = 10,603.56/x
  3. Step 3: Cross multiply
    18,985.44x = 26,200.62 × 10,603.56
  4. Step 4: Simplify right side
    18,985.44x = 277,819,846.21
  5. Step 5: Solve for x
    x = 277,819,846.21/18,985.44
  6. Step 6: Final answer
    x = 14,633.31

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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.