Home / 12,526.39-17,194.30-11,078.34

Finding the Fourth Proportional to 12,526.39, 17,194.30 and 11,078.34

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Solution

The fourth proportional to 12,526.39, 17,194.30 and 11,078.34 is: 15,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.39 : 17,194.30 = 11,078.34 : x
  2. Step 2: Convert to fraction form
    12,526.39/17,194.30 = 11,078.34/x
  3. Step 3: Cross multiply
    12,526.39x = 17,194.30 × 11,078.34
  4. Step 4: Simplify right side
    12,526.39x = 190,484,301.46
  5. Step 5: Solve for x
    x = 190,484,301.46/12,526.39
  6. Step 6: Final answer
    x = 15,206.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.