Home / 14,211.99-19,610.21-8,242.54

Finding the Fourth Proportional to 14,211.99, 19,610.21 and 8,242.54

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Solution

The fourth proportional to 14,211.99, 19,610.21 and 8,242.54 is: 11,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.99 : 19,610.21 = 8,242.54 : x
  2. Step 2: Convert to fraction form
    14,211.99/19,610.21 = 8,242.54/x
  3. Step 3: Cross multiply
    14,211.99x = 19,610.21 × 8,242.54
  4. Step 4: Simplify right side
    14,211.99x = 161,637,911.91
  5. Step 5: Solve for x
    x = 161,637,911.91/14,211.99
  6. Step 6: Final answer
    x = 11,373.35

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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.