Home / 19,501.88-26,901.65-11,951.87

Finding the Fourth Proportional to 19,501.88, 26,901.65 and 11,951.87

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Solution

The fourth proportional to 19,501.88, 26,901.65 and 11,951.87 is: 16,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.88 : 26,901.65 = 11,951.87 : x
  2. Step 2: Convert to fraction form
    19,501.88/26,901.65 = 11,951.87/x
  3. Step 3: Cross multiply
    19,501.88x = 26,901.65 × 11,951.87
  4. Step 4: Simplify right side
    19,501.88x = 321,524,918.96
  5. Step 5: Solve for x
    x = 321,524,918.96/19,501.88
  6. Step 6: Final answer
    x = 16,486.87

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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.