Home / 19,959.10-27,543.75-11,006.92

Finding the Fourth Proportional to 19,959.10, 27,543.75 and 11,006.92

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Solution

The fourth proportional to 19,959.10, 27,543.75 and 11,006.92 is: 15,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.10 : 27,543.75 = 11,006.92 : x
  2. Step 2: Convert to fraction form
    19,959.10/27,543.75 = 11,006.92/x
  3. Step 3: Cross multiply
    19,959.10x = 27,543.75 × 11,006.92
  4. Step 4: Simplify right side
    19,959.10x = 303,171,852.75
  5. Step 5: Solve for x
    x = 303,171,852.75/19,959.10
  6. Step 6: Final answer
    x = 15,189.66

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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.