Home / 19,401.40-29,077.14-16,892.32

Finding the Fourth Proportional to 19,401.40, 29,077.14 and 16,892.32

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Solution

The fourth proportional to 19,401.40, 29,077.14 and 16,892.32 is: 25,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.40 : 29,077.14 = 16,892.32 : x
  2. Step 2: Convert to fraction form
    19,401.40/29,077.14 = 16,892.32/x
  3. Step 3: Cross multiply
    19,401.40x = 29,077.14 × 16,892.32
  4. Step 4: Simplify right side
    19,401.40x = 491,180,353.56
  5. Step 5: Solve for x
    x = 491,180,353.56/19,401.40
  6. Step 6: Final answer
    x = 25,316.75

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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.