Home / 19,501.50-26,901.14-11,951.49

Finding the Fourth Proportional to 19,501.50, 26,901.14 and 11,951.49

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Solution

The fourth proportional to 19,501.50, 26,901.14 and 11,951.49 is: 16,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.50 : 26,901.14 = 11,951.49 : x
  2. Step 2: Convert to fraction form
    19,501.50/26,901.14 = 11,951.49/x
  3. Step 3: Cross multiply
    19,501.50x = 26,901.14 × 11,951.49
  4. Step 4: Simplify right side
    19,501.50x = 321,508,645.94
  5. Step 5: Solve for x
    x = 321,508,645.94/19,501.50
  6. Step 6: Final answer
    x = 16,486.35

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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.