Home / 14,490.67-19,996.11-8,116.17

Finding the Fourth Proportional to 14,490.67, 19,996.11 and 8,116.17

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Solution

The fourth proportional to 14,490.67, 19,996.11 and 8,116.17 is: 11,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.67 : 19,996.11 = 8,116.17 : x
  2. Step 2: Convert to fraction form
    14,490.67/19,996.11 = 8,116.17/x
  3. Step 3: Cross multiply
    14,490.67x = 19,996.11 × 8,116.17
  4. Step 4: Simplify right side
    14,490.67x = 162,291,828.10
  5. Step 5: Solve for x
    x = 162,291,828.10/14,490.67
  6. Step 6: Final answer
    x = 11,199.75

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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.