Home / 13,863.79-19,132.01-7,576.17

Finding the Fourth Proportional to 13,863.79, 19,132.01 and 7,576.17

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Solution

The fourth proportional to 13,863.79, 19,132.01 and 7,576.17 is: 10,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.79 : 19,132.01 = 7,576.17 : x
  2. Step 2: Convert to fraction form
    13,863.79/19,132.01 = 7,576.17/x
  3. Step 3: Cross multiply
    13,863.79x = 19,132.01 × 7,576.17
  4. Step 4: Simplify right side
    13,863.79x = 144,947,360.20
  5. Step 5: Solve for x
    x = 144,947,360.20/13,863.79
  6. Step 6: Final answer
    x = 10,455.10

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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.