Home / 15,241.81-22,868.79-5,382.09

Finding the Fourth Proportional to 15,241.81, 22,868.79 and 5,382.09

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Solution

The fourth proportional to 15,241.81, 22,868.79 and 5,382.09 is: 8,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.81 : 22,868.79 = 5,382.09 : x
  2. Step 2: Convert to fraction form
    15,241.81/22,868.79 = 5,382.09/x
  3. Step 3: Cross multiply
    15,241.81x = 22,868.79 × 5,382.09
  4. Step 4: Simplify right side
    15,241.81x = 123,081,885.97
  5. Step 5: Solve for x
    x = 123,081,885.97/15,241.81
  6. Step 6: Final answer
    x = 8,075.28

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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.