Home / 25,896.15-35,735.31-15,281.91

Finding the Fourth Proportional to 25,896.15, 35,735.31 and 15,281.91

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Solution

The fourth proportional to 25,896.15, 35,735.31 and 15,281.91 is: 21,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.15 : 35,735.31 = 15,281.91 : x
  2. Step 2: Convert to fraction form
    25,896.15/35,735.31 = 15,281.91/x
  3. Step 3: Cross multiply
    25,896.15x = 35,735.31 × 15,281.91
  4. Step 4: Simplify right side
    25,896.15x = 546,103,791.24
  5. Step 5: Solve for x
    x = 546,103,791.24/25,896.15
  6. Step 6: Final answer
    x = 21,088.22

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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.