Home / 18,421.14-27,633.52-7,325.34

Finding the Fourth Proportional to 18,421.14, 27,633.52 and 7,325.34

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Solution

The fourth proportional to 18,421.14, 27,633.52 and 7,325.34 is: 10,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.14 : 27,633.52 = 7,325.34 : x
  2. Step 2: Convert to fraction form
    18,421.14/27,633.52 = 7,325.34/x
  3. Step 3: Cross multiply
    18,421.14x = 27,633.52 × 7,325.34
  4. Step 4: Simplify right side
    18,421.14x = 202,424,929.40
  5. Step 5: Solve for x
    x = 202,424,929.40/18,421.14
  6. Step 6: Final answer
    x = 10,988.73

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1.5x scale

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.