Home / 25,513.24-35,215.62-15,441.72

Finding the Fourth Proportional to 25,513.24, 35,215.62 and 15,441.72

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Solution

The fourth proportional to 25,513.24, 35,215.62 and 15,441.72 is: 21,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.24 : 35,215.62 = 15,441.72 : x
  2. Step 2: Convert to fraction form
    25,513.24/35,215.62 = 15,441.72/x
  3. Step 3: Cross multiply
    25,513.24x = 35,215.62 × 15,441.72
  4. Step 4: Simplify right side
    25,513.24x = 543,789,743.67
  5. Step 5: Solve for x
    x = 543,789,743.67/25,513.24
  6. Step 6: Final answer
    x = 21,314.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.