Home / 25,378.38-38,075.36-11,350.21

Finding the Fourth Proportional to 25,378.38, 38,075.36 and 11,350.21

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Solution

The fourth proportional to 25,378.38, 38,075.36 and 11,350.21 is: 17,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.38 : 38,075.36 = 11,350.21 : x
  2. Step 2: Convert to fraction form
    25,378.38/38,075.36 = 11,350.21/x
  3. Step 3: Cross multiply
    25,378.38x = 38,075.36 × 11,350.21
  4. Step 4: Simplify right side
    25,378.38x = 432,163,321.67
  5. Step 5: Solve for x
    x = 432,163,321.67/25,378.38
  6. Step 6: Final answer
    x = 17,028.80

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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.