Home / 13,357.13-20,035.96-4,123.13

Finding the Fourth Proportional to 13,357.13, 20,035.96 and 4,123.13

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Solution

The fourth proportional to 13,357.13, 20,035.96 and 4,123.13 is: 6,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.13 : 20,035.96 = 4,123.13 : x
  2. Step 2: Convert to fraction form
    13,357.13/20,035.96 = 4,123.13/x
  3. Step 3: Cross multiply
    13,357.13x = 20,035.96 × 4,123.13
  4. Step 4: Simplify right side
    13,357.13x = 82,610,757.27
  5. Step 5: Solve for x
    x = 82,610,757.27/13,357.13
  6. Step 6: Final answer
    x = 6,184.77

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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.