Home / 15,553.38-23,323.20-4,457.55

Finding the Fourth Proportional to 15,553.38, 23,323.20 and 4,457.55

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Solution

The fourth proportional to 15,553.38, 23,323.20 and 4,457.55 is: 6,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.38 : 23,323.20 = 4,457.55 : x
  2. Step 2: Convert to fraction form
    15,553.38/23,323.20 = 4,457.55/x
  3. Step 3: Cross multiply
    15,553.38x = 23,323.20 × 4,457.55
  4. Step 4: Simplify right side
    15,553.38x = 103,964,213.54
  5. Step 5: Solve for x
    x = 103,964,213.54/15,553.38
  6. Step 6: Final answer
    x = 6,684.35

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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.