Home / 14,221.34-19,625.16-8,253.59

Finding the Fourth Proportional to 14,221.34, 19,625.16 and 8,253.59

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Solution

The fourth proportional to 14,221.34, 19,625.16 and 8,253.59 is: 11,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.34 : 19,625.16 = 8,253.59 : x
  2. Step 2: Convert to fraction form
    14,221.34/19,625.16 = 8,253.59/x
  3. Step 3: Cross multiply
    14,221.34x = 19,625.16 × 8,253.59
  4. Step 4: Simplify right side
    14,221.34x = 161,978,024.32
  5. Step 5: Solve for x
    x = 161,978,024.32/14,221.34
  6. Step 6: Final answer
    x = 11,389.79

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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.