Home / 15,990.38-23,975.31-6,636.84

Finding the Fourth Proportional to 15,990.38, 23,975.31 and 6,636.84

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Solution

The fourth proportional to 15,990.38, 23,975.31 and 6,636.84 is: 9,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.38 : 23,975.31 = 6,636.84 : x
  2. Step 2: Convert to fraction form
    15,990.38/23,975.31 = 6,636.84/x
  3. Step 3: Cross multiply
    15,990.38x = 23,975.31 × 6,636.84
  4. Step 4: Simplify right side
    15,990.38x = 159,120,296.42
  5. Step 5: Solve for x
    x = 159,120,296.42/15,990.38
  6. Step 6: Final answer
    x = 9,951.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.