Home / 18,575.57-25,637.11-11,865.67

Finding the Fourth Proportional to 18,575.57, 25,637.11 and 11,865.67

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Solution

The fourth proportional to 18,575.57, 25,637.11 and 11,865.67 is: 16,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.57 : 25,637.11 = 11,865.67 : x
  2. Step 2: Convert to fraction form
    18,575.57/25,637.11 = 11,865.67/x
  3. Step 3: Cross multiply
    18,575.57x = 25,637.11 × 11,865.67
  4. Step 4: Simplify right side
    18,575.57x = 304,201,483.39
  5. Step 5: Solve for x
    x = 304,201,483.39/18,575.57
  6. Step 6: Final answer
    x = 16,376.42

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1.5x scale

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.