Home / 13,483.59-20,265.75-11,158.53

Finding the Fourth Proportional to 13,483.59, 20,265.75 and 11,158.53

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Solution

The fourth proportional to 13,483.59, 20,265.75 and 11,158.53 is: 16,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.59 : 20,265.75 = 11,158.53 : x
  2. Step 2: Convert to fraction form
    13,483.59/20,265.75 = 11,158.53/x
  3. Step 3: Cross multiply
    13,483.59x = 20,265.75 × 11,158.53
  4. Step 4: Simplify right side
    13,483.59x = 226,135,979.35
  5. Step 5: Solve for x
    x = 226,135,979.35/13,483.59
  6. Step 6: Final answer
    x = 16,771.20

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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.