Home / 17,623.34-26,436.23-5,143.47

Finding the Fourth Proportional to 17,623.34, 26,436.23 and 5,143.47

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Solution

The fourth proportional to 17,623.34, 26,436.23 and 5,143.47 is: 7,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.34 : 26,436.23 = 5,143.47 : x
  2. Step 2: Convert to fraction form
    17,623.34/26,436.23 = 5,143.47/x
  3. Step 3: Cross multiply
    17,623.34x = 26,436.23 × 5,143.47
  4. Step 4: Simplify right side
    17,623.34x = 135,973,930.20
  5. Step 5: Solve for x
    x = 135,973,930.20/17,623.34
  6. Step 6: Final answer
    x = 7,715.56

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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.