Home / 25,309.20-37,942.20-17,890.32

Finding the Fourth Proportional to 25,309.20, 37,942.20 and 17,890.32

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Solution

The fourth proportional to 25,309.20, 37,942.20 and 17,890.32 is: 26,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.20 : 37,942.20 = 17,890.32 : x
  2. Step 2: Convert to fraction form
    25,309.20/37,942.20 = 17,890.32/x
  3. Step 3: Cross multiply
    25,309.20x = 37,942.20 × 17,890.32
  4. Step 4: Simplify right side
    25,309.20x = 678,798,099.50
  5. Step 5: Solve for x
    x = 678,798,099.50/25,309.20
  6. Step 6: Final answer
    x = 26,820.21

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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.