Home / 13,460.99-20,142.11-11,234.32

Finding the Fourth Proportional to 13,460.99, 20,142.11 and 11,234.32

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Solution

The fourth proportional to 13,460.99, 20,142.11 and 11,234.32 is: 16,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.99 : 20,142.11 = 11,234.32 : x
  2. Step 2: Convert to fraction form
    13,460.99/20,142.11 = 11,234.32/x
  3. Step 3: Cross multiply
    13,460.99x = 20,142.11 × 11,234.32
  4. Step 4: Simplify right side
    13,460.99x = 226,282,931.48
  5. Step 5: Solve for x
    x = 226,282,931.48/13,460.99
  6. Step 6: Final answer
    x = 16,810.27

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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.