Home / 14,540.17-20,075.57-9,767.38

Finding the Fourth Proportional to 14,540.17, 20,075.57 and 9,767.38

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Solution

The fourth proportional to 14,540.17, 20,075.57 and 9,767.38 is: 13,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.17 : 20,075.57 = 9,767.38 : x
  2. Step 2: Convert to fraction form
    14,540.17/20,075.57 = 9,767.38/x
  3. Step 3: Cross multiply
    14,540.17x = 20,075.57 × 9,767.38
  4. Step 4: Simplify right side
    14,540.17x = 196,085,720.91
  5. Step 5: Solve for x
    x = 196,085,720.91/14,540.17
  6. Step 6: Final answer
    x = 13,485.79

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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.