Home / 15,406.41-23,109.60-3,719.63

Finding the Fourth Proportional to 15,406.41, 23,109.60 and 3,719.63

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Solution

The fourth proportional to 15,406.41, 23,109.60 and 3,719.63 is: 5,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.41 : 23,109.60 = 3,719.63 : x
  2. Step 2: Convert to fraction form
    15,406.41/23,109.60 = 3,719.63/x
  3. Step 3: Cross multiply
    15,406.41x = 23,109.60 × 3,719.63
  4. Step 4: Simplify right side
    15,406.41x = 85,959,045.90
  5. Step 5: Solve for x
    x = 85,959,045.90/15,406.41
  6. Step 6: Final answer
    x = 5,579.43

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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.