Home / 15,957.44-22,021.23-8,885.53

Finding the Fourth Proportional to 15,957.44, 22,021.23 and 8,885.53

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Solution

The fourth proportional to 15,957.44, 22,021.23 and 8,885.53 is: 12,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.44 : 22,021.23 = 8,885.53 : x
  2. Step 2: Convert to fraction form
    15,957.44/22,021.23 = 8,885.53/x
  3. Step 3: Cross multiply
    15,957.44x = 22,021.23 × 8,885.53
  4. Step 4: Simplify right side
    15,957.44x = 195,670,360.65
  5. Step 5: Solve for x
    x = 195,670,360.65/15,957.44
  6. Step 6: Final answer
    x = 12,262.02

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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.