Home / 25,025.42-37,548.56-10,978.20

Finding the Fourth Proportional to 25,025.42, 37,548.56 and 10,978.20

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Solution

The fourth proportional to 25,025.42, 37,548.56 and 10,978.20 is: 16,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,025.42 : 37,548.56 = 10,978.20 : x
  2. Step 2: Convert to fraction form
    25,025.42/37,548.56 = 10,978.20/x
  3. Step 3: Cross multiply
    25,025.42x = 37,548.56 × 10,978.20
  4. Step 4: Simplify right side
    25,025.42x = 412,215,628.84
  5. Step 5: Solve for x
    x = 412,215,628.84/25,025.42
  6. Step 6: Final answer
    x = 16,471.87

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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.