Home / 17,623.50-26,438.67-5,143.59

Finding the Fourth Proportional to 17,623.50, 26,438.67 and 5,143.59

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Solution

The fourth proportional to 17,623.50, 26,438.67 and 5,143.59 is: 7,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.50 : 26,438.67 = 5,143.59 : x
  2. Step 2: Convert to fraction form
    17,623.50/26,438.67 = 5,143.59/x
  3. Step 3: Cross multiply
    17,623.50x = 26,438.67 × 5,143.59
  4. Step 4: Simplify right side
    17,623.50x = 135,989,678.63
  5. Step 5: Solve for x
    x = 135,989,678.63/17,623.50
  6. Step 6: Final answer
    x = 7,716.38

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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.