Home / 15,939.89-23,912.73-6,574.80

Finding the Fourth Proportional to 15,939.89, 23,912.73 and 6,574.80

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Solution

The fourth proportional to 15,939.89, 23,912.73 and 6,574.80 is: 9,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.89 : 23,912.73 = 6,574.80 : x
  2. Step 2: Convert to fraction form
    15,939.89/23,912.73 = 6,574.80/x
  3. Step 3: Cross multiply
    15,939.89x = 23,912.73 × 6,574.80
  4. Step 4: Simplify right side
    15,939.89x = 157,221,417.20
  5. Step 5: Solve for x
    x = 157,221,417.20/15,939.89
  6. Step 6: Final answer
    x = 9,863.39

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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.