Home / 14,096.40-21,131.40-5,337.20

Finding the Fourth Proportional to 14,096.40, 21,131.40 and 5,337.20

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Solution

The fourth proportional to 14,096.40, 21,131.40 and 5,337.20 is: 8,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,096.40 : 21,131.40 = 5,337.20 : x
  2. Step 2: Convert to fraction form
    14,096.40/21,131.40 = 5,337.20/x
  3. Step 3: Cross multiply
    14,096.40x = 21,131.40 × 5,337.20
  4. Step 4: Simplify right side
    14,096.40x = 112,782,508.08
  5. Step 5: Solve for x
    x = 112,782,508.08/14,096.40
  6. Step 6: Final answer
    x = 8,000.80

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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.