Home / 15,381.24-23,075.37-4,851.21

Finding the Fourth Proportional to 15,381.24, 23,075.37 and 4,851.21

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Solution

The fourth proportional to 15,381.24, 23,075.37 and 4,851.21 is: 7,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.24 : 23,075.37 = 4,851.21 : x
  2. Step 2: Convert to fraction form
    15,381.24/23,075.37 = 4,851.21/x
  3. Step 3: Cross multiply
    15,381.24x = 23,075.37 × 4,851.21
  4. Step 4: Simplify right side
    15,381.24x = 111,943,465.70
  5. Step 5: Solve for x
    x = 111,943,465.70/15,381.24
  6. Step 6: Final answer
    x = 7,277.92

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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.