Home / 25,313.40-37,977.80-11,996.59

Finding the Fourth Proportional to 25,313.40, 37,977.80 and 11,996.59

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Solution

The fourth proportional to 25,313.40, 37,977.80 and 11,996.59 is: 17,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.40 : 37,977.80 = 11,996.59 : x
  2. Step 2: Convert to fraction form
    25,313.40/37,977.80 = 11,996.59/x
  3. Step 3: Cross multiply
    25,313.40x = 37,977.80 × 11,996.59
  4. Step 4: Simplify right side
    25,313.40x = 455,604,095.70
  5. Step 5: Solve for x
    x = 455,604,095.70/25,313.40
  6. Step 6: Final answer
    x = 17,998.53

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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.