Home / 18,541.98-25,580.58-11,456.10

Finding the Fourth Proportional to 18,541.98, 25,580.58 and 11,456.10

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Solution

The fourth proportional to 18,541.98, 25,580.58 and 11,456.10 is: 15,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.98 : 25,580.58 = 11,456.10 : x
  2. Step 2: Convert to fraction form
    18,541.98/25,580.58 = 11,456.10/x
  3. Step 3: Cross multiply
    18,541.98x = 25,580.58 × 11,456.10
  4. Step 4: Simplify right side
    18,541.98x = 293,053,682.54
  5. Step 5: Solve for x
    x = 293,053,682.54/18,541.98
  6. Step 6: Final answer
    x = 15,804.88

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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.