Home / 17,143.89-23,660.76-9,590.64

Finding the Fourth Proportional to 17,143.89, 23,660.76 and 9,590.64

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Solution

The fourth proportional to 17,143.89, 23,660.76 and 9,590.64 is: 13,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.89 : 23,660.76 = 9,590.64 : x
  2. Step 2: Convert to fraction form
    17,143.89/23,660.76 = 9,590.64/x
  3. Step 3: Cross multiply
    17,143.89x = 23,660.76 × 9,590.64
  4. Step 4: Simplify right side
    17,143.89x = 226,921,831.29
  5. Step 5: Solve for x
    x = 226,921,831.29/17,143.89
  6. Step 6: Final answer
    x = 13,236.31

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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.