Home / 25,312.05-37,975.77-17,930.79

Finding the Fourth Proportional to 25,312.05, 37,975.77 and 17,930.79

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Solution

The fourth proportional to 25,312.05, 37,975.77 and 17,930.79 is: 26,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.05 : 37,975.77 = 17,930.79 : x
  2. Step 2: Convert to fraction form
    25,312.05/37,975.77 = 17,930.79/x
  3. Step 3: Cross multiply
    25,312.05x = 37,975.77 × 17,930.79
  4. Step 4: Simplify right side
    25,312.05x = 680,935,556.96
  5. Step 5: Solve for x
    x = 680,935,556.96/25,312.05
  6. Step 6: Final answer
    x = 26,901.64

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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.