Home / 14,895.65-20,556.23-8,181.89

Finding the Fourth Proportional to 14,895.65, 20,556.23 and 8,181.89

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Solution

The fourth proportional to 14,895.65, 20,556.23 and 8,181.89 is: 11,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.65 : 20,556.23 = 8,181.89 : x
  2. Step 2: Convert to fraction form
    14,895.65/20,556.23 = 8,181.89/x
  3. Step 3: Cross multiply
    14,895.65x = 20,556.23 × 8,181.89
  4. Step 4: Simplify right side
    14,895.65x = 168,188,823.16
  5. Step 5: Solve for x
    x = 168,188,823.16/14,895.65
  6. Step 6: Final answer
    x = 11,291.14

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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.