Home / 13,427.42-18,541.05-11,200.97

Finding the Fourth Proportional to 13,427.42, 18,541.05 and 11,200.97

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Solution

The fourth proportional to 13,427.42, 18,541.05 and 11,200.97 is: 15,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.42 : 18,541.05 = 11,200.97 : x
  2. Step 2: Convert to fraction form
    13,427.42/18,541.05 = 11,200.97/x
  3. Step 3: Cross multiply
    13,427.42x = 18,541.05 × 11,200.97
  4. Step 4: Simplify right side
    13,427.42x = 207,677,652.11
  5. Step 5: Solve for x
    x = 207,677,652.11/13,427.42
  6. Step 6: Final answer
    x = 15,466.68

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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.