Home / 14,996.24-20,689.80-9,697.76

Finding the Fourth Proportional to 14,996.24, 20,689.80 and 9,697.76

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Solution

The fourth proportional to 14,996.24, 20,689.80 and 9,697.76 is: 13,379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.24 : 20,689.80 = 9,697.76 : x
  2. Step 2: Convert to fraction form
    14,996.24/20,689.80 = 9,697.76/x
  3. Step 3: Cross multiply
    14,996.24x = 20,689.80 × 9,697.76
  4. Step 4: Simplify right side
    14,996.24x = 200,644,714.85
  5. Step 5: Solve for x
    x = 200,644,714.85/14,996.24
  6. Step 6: Final answer
    x = 13,379.67

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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.