Home / 14,939.34-20,602.99-11,790.06

Finding the Fourth Proportional to 14,939.34, 20,602.99 and 11,790.06

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Solution

The fourth proportional to 14,939.34, 20,602.99 and 11,790.06 is: 16,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.34 : 20,602.99 = 11,790.06 : x
  2. Step 2: Convert to fraction form
    14,939.34/20,602.99 = 11,790.06/x
  3. Step 3: Cross multiply
    14,939.34x = 20,602.99 × 11,790.06
  4. Step 4: Simplify right side
    14,939.34x = 242,910,488.28
  5. Step 5: Solve for x
    x = 242,910,488.28/14,939.34
  6. Step 6: Final answer
    x = 16,259.79

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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.