Home / 25,040.46-37,506.09-12,538.68

Finding the Fourth Proportional to 25,040.46, 37,506.09 and 12,538.68

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Solution

The fourth proportional to 25,040.46, 37,506.09 and 12,538.68 is: 18,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.46 : 37,506.09 = 12,538.68 : x
  2. Step 2: Convert to fraction form
    25,040.46/37,506.09 = 12,538.68/x
  3. Step 3: Cross multiply
    25,040.46x = 37,506.09 × 12,538.68
  4. Step 4: Simplify right side
    25,040.46x = 470,276,673.03
  5. Step 5: Solve for x
    x = 470,276,673.03/25,040.46
  6. Step 6: Final answer
    x = 18,780.68

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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.