Home / 14,417.59-19,896.27-8,129.96

Finding the Fourth Proportional to 14,417.59, 19,896.27 and 8,129.96

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Solution

The fourth proportional to 14,417.59, 19,896.27 and 8,129.96 is: 11,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.59 : 19,896.27 = 8,129.96 : x
  2. Step 2: Convert to fraction form
    14,417.59/19,896.27 = 8,129.96/x
  3. Step 3: Cross multiply
    14,417.59x = 19,896.27 × 8,129.96
  4. Step 4: Simplify right side
    14,417.59x = 161,755,879.25
  5. Step 5: Solve for x
    x = 161,755,879.25/14,417.59
  6. Step 6: Final answer
    x = 11,219.34

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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.