Home / 25,161.30-37,742.04-7,631.28

Finding the Fourth Proportional to 25,161.30, 37,742.04 and 7,631.28

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Solution

The fourth proportional to 25,161.30, 37,742.04 and 7,631.28 is: 11,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.30 : 37,742.04 = 7,631.28 : x
  2. Step 2: Convert to fraction form
    25,161.30/37,742.04 = 7,631.28/x
  3. Step 3: Cross multiply
    25,161.30x = 37,742.04 × 7,631.28
  4. Step 4: Simplify right side
    25,161.30x = 288,020,075.01
  5. Step 5: Solve for x
    x = 288,020,075.01/25,161.30
  6. Step 6: Final answer
    x = 11,446.95

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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.