Home / 19,208.09-26,489.54-13,167.11

Finding the Fourth Proportional to 19,208.09, 26,489.54 and 13,167.11

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Solution

The fourth proportional to 19,208.09, 26,489.54 and 13,167.11 is: 18,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.09 : 26,489.54 = 13,167.11 : x
  2. Step 2: Convert to fraction form
    19,208.09/26,489.54 = 13,167.11/x
  3. Step 3: Cross multiply
    19,208.09x = 26,489.54 × 13,167.11
  4. Step 4: Simplify right side
    19,208.09x = 348,790,554.58
  5. Step 5: Solve for x
    x = 348,790,554.58/19,208.09
  6. Step 6: Final answer
    x = 18,158.53

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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.