Home / 13,864.20-19,132.48-7,576.56

Finding the Fourth Proportional to 13,864.20, 19,132.48 and 7,576.56

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Solution

The fourth proportional to 13,864.20, 19,132.48 and 7,576.56 is: 10,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.20 : 19,132.48 = 7,576.56 : x
  2. Step 2: Convert to fraction form
    13,864.20/19,132.48 = 7,576.56/x
  3. Step 3: Cross multiply
    13,864.20x = 19,132.48 × 7,576.56
  4. Step 4: Simplify right side
    13,864.20x = 144,958,382.67
  5. Step 5: Solve for x
    x = 144,958,382.67/13,864.20
  6. Step 6: Final answer
    x = 10,455.59

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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.