Home / 25,108.72-34,639.09-15,546.06

Finding the Fourth Proportional to 25,108.72, 34,639.09 and 15,546.06

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Solution

The fourth proportional to 25,108.72, 34,639.09 and 15,546.06 is: 21,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.72 : 34,639.09 = 15,546.06 : x
  2. Step 2: Convert to fraction form
    25,108.72/34,639.09 = 15,546.06/x
  3. Step 3: Cross multiply
    25,108.72x = 34,639.09 × 15,546.06
  4. Step 4: Simplify right side
    25,108.72x = 538,501,332.62
  5. Step 5: Solve for x
    x = 538,501,332.62/25,108.72
  6. Step 6: Final answer
    x = 21,446.79

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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.