Home / 15,075.32-22,614.07-3,981.87

Finding the Fourth Proportional to 15,075.32, 22,614.07 and 3,981.87

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Solution

The fourth proportional to 15,075.32, 22,614.07 and 3,981.87 is: 5,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.32 : 22,614.07 = 3,981.87 : x
  2. Step 2: Convert to fraction form
    15,075.32/22,614.07 = 3,981.87/x
  3. Step 3: Cross multiply
    15,075.32x = 22,614.07 × 3,981.87
  4. Step 4: Simplify right side
    15,075.32x = 90,046,237.62
  5. Step 5: Solve for x
    x = 90,046,237.62/15,075.32
  6. Step 6: Final answer
    x = 5,973.09

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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.