Home / 20,541.99-28,346.21-11,466.53

Finding the Fourth Proportional to 20,541.99, 28,346.21 and 11,466.53

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Solution

The fourth proportional to 20,541.99, 28,346.21 and 11,466.53 is: 15,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.99 : 28,346.21 = 11,466.53 : x
  2. Step 2: Convert to fraction form
    20,541.99/28,346.21 = 11,466.53/x
  3. Step 3: Cross multiply
    20,541.99x = 28,346.21 × 11,466.53
  4. Step 4: Simplify right side
    20,541.99x = 325,032,468.29
  5. Step 5: Solve for x
    x = 325,032,468.29/20,541.99
  6. Step 6: Final answer
    x = 15,822.83

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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.