Home / 25,581.67-38,330.79-15,700.09

Finding the Fourth Proportional to 25,581.67, 38,330.79 and 15,700.09

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Solution

The fourth proportional to 25,581.67, 38,330.79 and 15,700.09 is: 23,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581.67 : 38,330.79 = 15,700.09 : x
  2. Step 2: Convert to fraction form
    25,581.67/38,330.79 = 15,700.09/x
  3. Step 3: Cross multiply
    25,581.67x = 38,330.79 × 15,700.09
  4. Step 4: Simplify right side
    25,581.67x = 601,796,852.77
  5. Step 5: Solve for x
    x = 601,796,852.77/25,581.67
  6. Step 6: Final answer
    x = 23,524.53

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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.