Home / 25,085.28-37,629.81-8,445.36

Finding the Fourth Proportional to 25,085.28, 37,629.81 and 8,445.36

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Solution

The fourth proportional to 25,085.28, 37,629.81 and 8,445.36 is: 12,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.28 : 37,629.81 = 8,445.36 : x
  2. Step 2: Convert to fraction form
    25,085.28/37,629.81 = 8,445.36/x
  3. Step 3: Cross multiply
    25,085.28x = 37,629.81 × 8,445.36
  4. Step 4: Simplify right side
    25,085.28x = 317,797,292.18
  5. Step 5: Solve for x
    x = 317,797,292.18/25,085.28
  6. Step 6: Final answer
    x = 12,668.68

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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.