Home / 19,208.54-26,518.25-13,272.17

Finding the Fourth Proportional to 19,208.54, 26,518.25 and 13,272.17

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Solution

The fourth proportional to 19,208.54, 26,518.25 and 13,272.17 is: 18,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.54 : 26,518.25 = 13,272.17 : x
  2. Step 2: Convert to fraction form
    19,208.54/26,518.25 = 13,272.17/x
  3. Step 3: Cross multiply
    19,208.54x = 26,518.25 × 13,272.17
  4. Step 4: Simplify right side
    19,208.54x = 351,954,722.10
  5. Step 5: Solve for x
    x = 351,954,722.10/19,208.54
  6. Step 6: Final answer
    x = 18,322.83

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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.