Home / 25,260.12-37,886.78-18,273.56

Finding the Fourth Proportional to 25,260.12, 37,886.78 and 18,273.56

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Solution

The fourth proportional to 25,260.12, 37,886.78 and 18,273.56 is: 27,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.12 : 37,886.78 = 18,273.56 : x
  2. Step 2: Convert to fraction form
    25,260.12/37,886.78 = 18,273.56/x
  3. Step 3: Cross multiply
    25,260.12x = 37,886.78 × 18,273.56
  4. Step 4: Simplify right side
    25,260.12x = 692,326,347.54
  5. Step 5: Solve for x
    x = 692,326,347.54/25,260.12
  6. Step 6: Final answer
    x = 27,407.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.