Home / 13,535.66-20,254.27-11,173.70

Finding the Fourth Proportional to 13,535.66, 20,254.27 and 11,173.70

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Solution

The fourth proportional to 13,535.66, 20,254.27 and 11,173.70 is: 16,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.66 : 20,254.27 = 11,173.70 : x
  2. Step 2: Convert to fraction form
    13,535.66/20,254.27 = 11,173.70/x
  3. Step 3: Cross multiply
    13,535.66x = 20,254.27 × 11,173.70
  4. Step 4: Simplify right side
    13,535.66x = 226,315,136.70
  5. Step 5: Solve for x
    x = 226,315,136.70/13,535.66
  6. Step 6: Final answer
    x = 16,719.92

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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.