Home / 25,143.64-37,716.28-11,997.34

Finding the Fourth Proportional to 25,143.64, 37,716.28 and 11,997.34

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Solution

The fourth proportional to 25,143.64, 37,716.28 and 11,997.34 is: 17,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.64 : 37,716.28 = 11,997.34 : x
  2. Step 2: Convert to fraction form
    25,143.64/37,716.28 = 11,997.34/x
  3. Step 3: Cross multiply
    25,143.64x = 37,716.28 × 11,997.34
  4. Step 4: Simplify right side
    25,143.64x = 452,495,034.70
  5. Step 5: Solve for x
    x = 452,495,034.70/25,143.64
  6. Step 6: Final answer
    x = 17,996.40

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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.