Home / 19,707.95-27,197.70-11,750.92

Finding the Fourth Proportional to 19,707.95, 27,197.70 and 11,750.92

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Solution

The fourth proportional to 19,707.95, 27,197.70 and 11,750.92 is: 16,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.95 : 27,197.70 = 11,750.92 : x
  2. Step 2: Convert to fraction form
    19,707.95/27,197.70 = 11,750.92/x
  3. Step 3: Cross multiply
    19,707.95x = 27,197.70 × 11,750.92
  4. Step 4: Simplify right side
    19,707.95x = 319,597,996.88
  5. Step 5: Solve for x
    x = 319,597,996.88/19,707.95
  6. Step 6: Final answer
    x = 16,216.70

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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.