Home / 38,000.84-57,012.24-11,709.45

Finding the Fourth Proportional to 38,000.84, 57,012.24 and 11,709.45

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Solution

The fourth proportional to 38,000.84, 57,012.24 and 11,709.45 is: 17,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.84 : 57,012.24 = 11,709.45 : x
  2. Step 2: Convert to fraction form
    38,000.84/57,012.24 = 11,709.45/x
  3. Step 3: Cross multiply
    38,000.84x = 57,012.24 × 11,709.45
  4. Step 4: Simplify right side
    38,000.84x = 667,581,973.67
  5. Step 5: Solve for x
    x = 667,581,973.67/38,000.84
  6. Step 6: Final answer
    x = 17,567.56

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1.5x scale

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.