Home / 14,519.25-20,042.69-9,809.91

Finding the Fourth Proportional to 14,519.25, 20,042.69 and 9,809.91

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Solution

The fourth proportional to 14,519.25, 20,042.69 and 9,809.91 is: 13,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.25 : 20,042.69 = 9,809.91 : x
  2. Step 2: Convert to fraction form
    14,519.25/20,042.69 = 9,809.91/x
  3. Step 3: Cross multiply
    14,519.25x = 20,042.69 × 9,809.91
  4. Step 4: Simplify right side
    14,519.25x = 196,616,936.01
  5. Step 5: Solve for x
    x = 196,616,936.01/14,519.25
  6. Step 6: Final answer
    x = 13,541.81

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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.