Home / 25,145.10-37,674.45-11,969.10

Finding the Fourth Proportional to 25,145.10, 37,674.45 and 11,969.10

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Solution

The fourth proportional to 25,145.10, 37,674.45 and 11,969.10 is: 17,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.10 : 37,674.45 = 11,969.10 : x
  2. Step 2: Convert to fraction form
    25,145.10/37,674.45 = 11,969.10/x
  3. Step 3: Cross multiply
    25,145.10x = 37,674.45 × 11,969.10
  4. Step 4: Simplify right side
    25,145.10x = 450,929,259.50
  5. Step 5: Solve for x
    x = 450,929,259.50/25,145.10
  6. Step 6: Final answer
    x = 17,933.09

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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.