Home / 14,213.49-19,616.28-8,165.89

Finding the Fourth Proportional to 14,213.49, 19,616.28 and 8,165.89

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Solution

The fourth proportional to 14,213.49, 19,616.28 and 8,165.89 is: 11,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.49 : 19,616.28 = 8,165.89 : x
  2. Step 2: Convert to fraction form
    14,213.49/19,616.28 = 8,165.89/x
  3. Step 3: Cross multiply
    14,213.49x = 19,616.28 × 8,165.89
  4. Step 4: Simplify right side
    14,213.49x = 160,184,384.69
  5. Step 5: Solve for x
    x = 160,184,384.69/14,213.49
  6. Step 6: Final answer
    x = 11,269.89

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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.