Home / 23,004.16-31,743.74-12,931.84

Finding the Fourth Proportional to 23,004.16, 31,743.74 and 12,931.84

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Solution

The fourth proportional to 23,004.16, 31,743.74 and 12,931.84 is: 17,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004.16 : 31,743.74 = 12,931.84 : x
  2. Step 2: Convert to fraction form
    23,004.16/31,743.74 = 12,931.84/x
  3. Step 3: Cross multiply
    23,004.16x = 31,743.74 × 12,931.84
  4. Step 4: Simplify right side
    23,004.16x = 410,504,966.68
  5. Step 5: Solve for x
    x = 410,504,966.68/23,004.16
  6. Step 6: Final answer
    x = 17,844.81

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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.