Home / 23,181.46-31,990.45-12,571.02

Finding the Fourth Proportional to 23,181.46, 31,990.45 and 12,571.02

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Solution

The fourth proportional to 23,181.46, 31,990.45 and 12,571.02 is: 17,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.46 : 31,990.45 = 12,571.02 : x
  2. Step 2: Convert to fraction form
    23,181.46/31,990.45 = 12,571.02/x
  3. Step 3: Cross multiply
    23,181.46x = 31,990.45 × 12,571.02
  4. Step 4: Simplify right side
    23,181.46x = 402,152,586.76
  5. Step 5: Solve for x
    x = 402,152,586.76/23,181.46
  6. Step 6: Final answer
    x = 17,348.03

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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.