Home / 25,033.78-37,557.76-12,538.72

Finding the Fourth Proportional to 25,033.78, 37,557.76 and 12,538.72

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Solution

The fourth proportional to 25,033.78, 37,557.76 and 12,538.72 is: 18,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,033.78 : 37,557.76 = 12,538.72 : x
  2. Step 2: Convert to fraction form
    25,033.78/37,557.76 = 12,538.72/x
  3. Step 3: Cross multiply
    25,033.78x = 37,557.76 × 12,538.72
  4. Step 4: Simplify right side
    25,033.78x = 470,926,236.47
  5. Step 5: Solve for x
    x = 470,926,236.47/25,033.78
  6. Step 6: Final answer
    x = 18,811.63

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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.