Home / 18,815.63-25,966.37-11,260.52

Finding the Fourth Proportional to 18,815.63, 25,966.37 and 11,260.52

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Solution

The fourth proportional to 18,815.63, 25,966.37 and 11,260.52 is: 15,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.63 : 25,966.37 = 11,260.52 : x
  2. Step 2: Convert to fraction form
    18,815.63/25,966.37 = 11,260.52/x
  3. Step 3: Cross multiply
    18,815.63x = 25,966.37 × 11,260.52
  4. Step 4: Simplify right side
    18,815.63x = 292,394,824.41
  5. Step 5: Solve for x
    x = 292,394,824.41/18,815.63
  6. Step 6: Final answer
    x = 15,540.00

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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.