Home / 25,290.90-37,903.55-16,958.43

Finding the Fourth Proportional to 25,290.90, 37,903.55 and 16,958.43

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Solution

The fourth proportional to 25,290.90, 37,903.55 and 16,958.43 is: 25,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.90 : 37,903.55 = 16,958.43 : x
  2. Step 2: Convert to fraction form
    25,290.90/37,903.55 = 16,958.43/x
  3. Step 3: Cross multiply
    25,290.90x = 37,903.55 × 16,958.43
  4. Step 4: Simplify right side
    25,290.90x = 642,784,614.63
  5. Step 5: Solve for x
    x = 642,784,614.63/25,290.90
  6. Step 6: Final answer
    x = 25,415.65

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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.