Home / 29,712.76-40,998.40-16,960.12

Finding the Fourth Proportional to 29,712.76, 40,998.40 and 16,960.12

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Solution

The fourth proportional to 29,712.76, 40,998.40 and 16,960.12 is: 23,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,712.76 : 40,998.40 = 16,960.12 : x
  2. Step 2: Convert to fraction form
    29,712.76/40,998.40 = 16,960.12/x
  3. Step 3: Cross multiply
    29,712.76x = 40,998.40 × 16,960.12
  4. Step 4: Simplify right side
    29,712.76x = 695,337,783.81
  5. Step 5: Solve for x
    x = 695,337,783.81/29,712.76
  6. Step 6: Final answer
    x = 23,401.99

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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.