Home / 13,155.52-19,637.31-11,494.75

Finding the Fourth Proportional to 13,155.52, 19,637.31 and 11,494.75

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Solution

The fourth proportional to 13,155.52, 19,637.31 and 11,494.75 is: 17,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.52 : 19,637.31 = 11,494.75 : x
  2. Step 2: Convert to fraction form
    13,155.52/19,637.31 = 11,494.75/x
  3. Step 3: Cross multiply
    13,155.52x = 19,637.31 × 11,494.75
  4. Step 4: Simplify right side
    13,155.52x = 225,725,891.29
  5. Step 5: Solve for x
    x = 225,725,891.29/13,155.52
  6. Step 6: Final answer
    x = 17,158.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.