Home / 23,145.89-31,928.72-14,632.38

Finding the Fourth Proportional to 23,145.89, 31,928.72 and 14,632.38

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Solution

The fourth proportional to 23,145.89, 31,928.72 and 14,632.38 is: 20,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.89 : 31,928.72 = 14,632.38 : x
  2. Step 2: Convert to fraction form
    23,145.89/31,928.72 = 14,632.38/x
  3. Step 3: Cross multiply
    23,145.89x = 31,928.72 × 14,632.38
  4. Step 4: Simplify right side
    23,145.89x = 467,193,090.79
  5. Step 5: Solve for x
    x = 467,193,090.79/23,145.89
  6. Step 6: Final answer
    x = 20,184.71

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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.