Home / 25,179.36-34,754.82-15,622.16

Finding the Fourth Proportional to 25,179.36, 34,754.82 and 15,622.16

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Solution

The fourth proportional to 25,179.36, 34,754.82 and 15,622.16 is: 21,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,179.36 : 34,754.82 = 15,622.16 : x
  2. Step 2: Convert to fraction form
    25,179.36/34,754.82 = 15,622.16/x
  3. Step 3: Cross multiply
    25,179.36x = 34,754.82 × 15,622.16
  4. Step 4: Simplify right side
    25,179.36x = 542,945,358.81
  5. Step 5: Solve for x
    x = 542,945,358.81/25,179.36
  6. Step 6: Final answer
    x = 21,563.11

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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.