Home / 14,882.51-20,537.20-8,168.15

Finding the Fourth Proportional to 14,882.51, 20,537.20 and 8,168.15

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Solution

The fourth proportional to 14,882.51, 20,537.20 and 8,168.15 is: 11,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.51 : 20,537.20 = 8,168.15 : x
  2. Step 2: Convert to fraction form
    14,882.51/20,537.20 = 8,168.15/x
  3. Step 3: Cross multiply
    14,882.51x = 20,537.20 × 8,168.15
  4. Step 4: Simplify right side
    14,882.51x = 167,750,930.18
  5. Step 5: Solve for x
    x = 167,750,930.18/14,882.51
  6. Step 6: Final answer
    x = 11,271.68

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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.