Home / 25,081.47-37,628.73-7,311.72

Finding the Fourth Proportional to 25,081.47, 37,628.73 and 7,311.72

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Solution

The fourth proportional to 25,081.47, 37,628.73 and 7,311.72 is: 10,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.47 : 37,628.73 = 7,311.72 : x
  2. Step 2: Convert to fraction form
    25,081.47/37,628.73 = 7,311.72/x
  3. Step 3: Cross multiply
    25,081.47x = 37,628.73 × 7,311.72
  4. Step 4: Simplify right side
    25,081.47x = 275,130,737.72
  5. Step 5: Solve for x
    x = 275,130,737.72/25,081.47
  6. Step 6: Final answer
    x = 10,969.48

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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.