Home / 25,322.76-37,988.73-12,679.11

Finding the Fourth Proportional to 25,322.76, 37,988.73 and 12,679.11

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Solution

The fourth proportional to 25,322.76, 37,988.73 and 12,679.11 is: 19,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.76 : 37,988.73 = 12,679.11 : x
  2. Step 2: Convert to fraction form
    25,322.76/37,988.73 = 12,679.11/x
  3. Step 3: Cross multiply
    25,322.76x = 37,988.73 × 12,679.11
  4. Step 4: Simplify right side
    25,322.76x = 481,663,286.43
  5. Step 5: Solve for x
    x = 481,663,286.43/25,322.76
  6. Step 6: Final answer
    x = 19,020.96

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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.