Home / 17,438.45-26,157.44-4,290.93

Finding the Fourth Proportional to 17,438.45, 26,157.44 and 4,290.93

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Solution

The fourth proportional to 17,438.45, 26,157.44 and 4,290.93 is: 6,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.45 : 26,157.44 = 4,290.93 : x
  2. Step 2: Convert to fraction form
    17,438.45/26,157.44 = 4,290.93/x
  3. Step 3: Cross multiply
    17,438.45x = 26,157.44 × 4,290.93
  4. Step 4: Simplify right side
    17,438.45x = 112,239,754.75
  5. Step 5: Solve for x
    x = 112,239,754.75/17,438.45
  6. Step 6: Final answer
    x = 6,436.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.