Home / 18,537.65-25,583.79-10,581.08

Finding the Fourth Proportional to 18,537.65, 25,583.79 and 10,581.08

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Solution

The fourth proportional to 18,537.65, 25,583.79 and 10,581.08 is: 14,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.65 : 25,583.79 = 10,581.08 : x
  2. Step 2: Convert to fraction form
    18,537.65/25,583.79 = 10,581.08/x
  3. Step 3: Cross multiply
    18,537.65x = 25,583.79 × 10,581.08
  4. Step 4: Simplify right side
    18,537.65x = 270,704,000.77
  5. Step 5: Solve for x
    x = 270,704,000.77/18,537.65
  6. Step 6: Final answer
    x = 14,602.93

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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.