Home / 19,501.75-26,901.48-11,951.74

Finding the Fourth Proportional to 19,501.75, 26,901.48 and 11,951.74

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Solution

The fourth proportional to 19,501.75, 26,901.48 and 11,951.74 is: 16,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.75 : 26,901.48 = 11,951.74 : x
  2. Step 2: Convert to fraction form
    19,501.75/26,901.48 = 11,951.74/x
  3. Step 3: Cross multiply
    19,501.75x = 26,901.48 × 11,951.74
  4. Step 4: Simplify right side
    19,501.75x = 321,519,494.58
  5. Step 5: Solve for x
    x = 321,519,494.58/19,501.75
  6. Step 6: Final answer
    x = 16,486.70

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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.