Home / 25,631.12-38,453.16-7,163.12

Finding the Fourth Proportional to 25,631.12, 38,453.16 and 7,163.12

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Solution

The fourth proportional to 25,631.12, 38,453.16 and 7,163.12 is: 10,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.12 : 38,453.16 = 7,163.12 : x
  2. Step 2: Convert to fraction form
    25,631.12/38,453.16 = 7,163.12/x
  3. Step 3: Cross multiply
    25,631.12x = 38,453.16 × 7,163.12
  4. Step 4: Simplify right side
    25,631.12x = 275,444,599.46
  5. Step 5: Solve for x
    x = 275,444,599.46/25,631.12
  6. Step 6: Final answer
    x = 10,746.49

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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.