Home / 19,548.71-26,986.52-13,099.46

Finding the Fourth Proportional to 19,548.71, 26,986.52 and 13,099.46

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Solution

The fourth proportional to 19,548.71, 26,986.52 and 13,099.46 is: 18,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.71 : 26,986.52 = 13,099.46 : x
  2. Step 2: Convert to fraction form
    19,548.71/26,986.52 = 13,099.46/x
  3. Step 3: Cross multiply
    19,548.71x = 26,986.52 × 13,099.46
  4. Step 4: Simplify right side
    19,548.71x = 353,508,638.85
  5. Step 5: Solve for x
    x = 353,508,638.85/19,548.71
  6. Step 6: Final answer
    x = 18,083.48

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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.