Home / 15,075.07-22,612.25-3,982.53

Finding the Fourth Proportional to 15,075.07, 22,612.25 and 3,982.53

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Solution

The fourth proportional to 15,075.07, 22,612.25 and 3,982.53 is: 5,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.07 : 22,612.25 = 3,982.53 : x
  2. Step 2: Convert to fraction form
    15,075.07/22,612.25 = 3,982.53/x
  3. Step 3: Cross multiply
    15,075.07x = 22,612.25 × 3,982.53
  4. Step 4: Simplify right side
    15,075.07x = 90,053,944.08
  5. Step 5: Solve for x
    x = 90,053,944.08/15,075.07
  6. Step 6: Final answer
    x = 5,973.70

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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.