Home / 25,120.56-37,645.16-18,494.76

Finding the Fourth Proportional to 25,120.56, 37,645.16 and 18,494.76

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Solution

The fourth proportional to 25,120.56, 37,645.16 and 18,494.76 is: 27,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.56 : 37,645.16 = 18,494.76 : x
  2. Step 2: Convert to fraction form
    25,120.56/37,645.16 = 18,494.76/x
  3. Step 3: Cross multiply
    25,120.56x = 37,645.16 × 18,494.76
  4. Step 4: Simplify right side
    25,120.56x = 696,238,106.89
  5. Step 5: Solve for x
    x = 696,238,106.89/25,120.56
  6. Step 6: Final answer
    x = 27,715.87

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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.