Home / 26,075.72-39,103.76-9,431.64

Finding the Fourth Proportional to 26,075.72, 39,103.76 and 9,431.64

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Solution

The fourth proportional to 26,075.72, 39,103.76 and 9,431.64 is: 14,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,075.72 : 39,103.76 = 9,431.64 : x
  2. Step 2: Convert to fraction form
    26,075.72/39,103.76 = 9,431.64/x
  3. Step 3: Cross multiply
    26,075.72x = 39,103.76 × 9,431.64
  4. Step 4: Simplify right side
    26,075.72x = 368,812,610.55
  5. Step 5: Solve for x
    x = 368,812,610.55/26,075.72
  6. Step 6: Final answer
    x = 14,143.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.