Home / 16,761.30-25,143.21-5,075.46

Finding the Fourth Proportional to 16,761.30, 25,143.21 and 5,075.46

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Solution

The fourth proportional to 16,761.30, 25,143.21 and 5,075.46 is: 7,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.30 : 25,143.21 = 5,075.46 : x
  2. Step 2: Convert to fraction form
    16,761.30/25,143.21 = 5,075.46/x
  3. Step 3: Cross multiply
    16,761.30x = 25,143.21 × 5,075.46
  4. Step 4: Simplify right side
    16,761.30x = 127,613,356.63
  5. Step 5: Solve for x
    x = 127,613,356.63/16,761.30
  6. Step 6: Final answer
    x = 7,613.57

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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.