Home / 13,072.08-18,037.44-7,482

Finding the Fourth Proportional to 13,072.08, 18,037.44 and 7,482

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Solution

The fourth proportional to 13,072.08, 18,037.44 and 7,482 is: 10,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.08 : 18,037.44 = 7,482 : x
  2. Step 2: Convert to fraction form
    13,072.08/18,037.44 = 7,482/x
  3. Step 3: Cross multiply
    13,072.08x = 18,037.44 × 7,482
  4. Step 4: Simplify right side
    13,072.08x = 134,956,126.08
  5. Step 5: Solve for x
    x = 134,956,126.08/13,072.08
  6. Step 6: Final answer
    x = 10,324.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.