Home / 25,121.97-37,656.32-11,783.70

Finding the Fourth Proportional to 25,121.97, 37,656.32 and 11,783.70

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Solution

The fourth proportional to 25,121.97, 37,656.32 and 11,783.70 is: 17,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.97 : 37,656.32 = 11,783.70 : x
  2. Step 2: Convert to fraction form
    25,121.97/37,656.32 = 11,783.70/x
  3. Step 3: Cross multiply
    25,121.97x = 37,656.32 × 11,783.70
  4. Step 4: Simplify right side
    25,121.97x = 443,730,719.07
  5. Step 5: Solve for x
    x = 443,730,719.07/25,121.97
  6. Step 6: Final answer
    x = 17,663.05

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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.