Home / 20,466.24-28,241.40-11,513.53

Finding the Fourth Proportional to 20,466.24, 28,241.40 and 11,513.53

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Solution

The fourth proportional to 20,466.24, 28,241.40 and 11,513.53 is: 15,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.24 : 28,241.40 = 11,513.53 : x
  2. Step 2: Convert to fraction form
    20,466.24/28,241.40 = 11,513.53/x
  3. Step 3: Cross multiply
    20,466.24x = 28,241.40 × 11,513.53
  4. Step 4: Simplify right side
    20,466.24x = 325,158,206.14
  5. Step 5: Solve for x
    x = 325,158,206.14/20,466.24
  6. Step 6: Final answer
    x = 15,887.54

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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.