Home / 14,519.75-20,043.38-9,810.41

Finding the Fourth Proportional to 14,519.75, 20,043.38 and 9,810.41

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Solution

The fourth proportional to 14,519.75, 20,043.38 and 9,810.41 is: 13,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.75 : 20,043.38 = 9,810.41 : x
  2. Step 2: Convert to fraction form
    14,519.75/20,043.38 = 9,810.41/x
  3. Step 3: Cross multiply
    14,519.75x = 20,043.38 × 9,810.41
  4. Step 4: Simplify right side
    14,519.75x = 196,633,776.64
  5. Step 5: Solve for x
    x = 196,633,776.64/14,519.75
  6. Step 6: Final answer
    x = 13,542.50

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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.