Home / 18,475.76-27,706.32-10,690.04

Finding the Fourth Proportional to 18,475.76, 27,706.32 and 10,690.04

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Solution

The fourth proportional to 18,475.76, 27,706.32 and 10,690.04 is: 16,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.76 : 27,706.32 = 10,690.04 : x
  2. Step 2: Convert to fraction form
    18,475.76/27,706.32 = 10,690.04/x
  3. Step 3: Cross multiply
    18,475.76x = 27,706.32 × 10,690.04
  4. Step 4: Simplify right side
    18,475.76x = 296,181,669.05
  5. Step 5: Solve for x
    x = 296,181,669.05/18,475.76
  6. Step 6: Final answer
    x = 16,030.82

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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.