Home / 17,143.46-23,660.16-9,590.21

Finding the Fourth Proportional to 17,143.46, 23,660.16 and 9,590.21

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Solution

The fourth proportional to 17,143.46, 23,660.16 and 9,590.21 is: 13,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.46 : 23,660.16 = 9,590.21 : x
  2. Step 2: Convert to fraction form
    17,143.46/23,660.16 = 9,590.21/x
  3. Step 3: Cross multiply
    17,143.46x = 23,660.16 × 9,590.21
  4. Step 4: Simplify right side
    17,143.46x = 226,905,748.77
  5. Step 5: Solve for x
    x = 226,905,748.77/17,143.46
  6. Step 6: Final answer
    x = 13,235.71

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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.