Home / 14,612.96-20,174.88-9,513.36

Finding the Fourth Proportional to 14,612.96, 20,174.88 and 9,513.36

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Solution

The fourth proportional to 14,612.96, 20,174.88 and 9,513.36 is: 13,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.96 : 20,174.88 = 9,513.36 : x
  2. Step 2: Convert to fraction form
    14,612.96/20,174.88 = 9,513.36/x
  3. Step 3: Cross multiply
    14,612.96x = 20,174.88 × 9,513.36
  4. Step 4: Simplify right side
    14,612.96x = 191,930,896.40
  5. Step 5: Solve for x
    x = 191,930,896.40/14,612.96
  6. Step 6: Final answer
    x = 13,134.29

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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.