Home / 19,649.51-27,117.56-11,692.07

Finding the Fourth Proportional to 19,649.51, 27,117.56 and 11,692.07

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Solution

The fourth proportional to 19,649.51, 27,117.56 and 11,692.07 is: 16,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.51 : 27,117.56 = 11,692.07 : x
  2. Step 2: Convert to fraction form
    19,649.51/27,117.56 = 11,692.07/x
  3. Step 3: Cross multiply
    19,649.51x = 27,117.56 × 11,692.07
  4. Step 4: Simplify right side
    19,649.51x = 317,060,409.75
  5. Step 5: Solve for x
    x = 317,060,409.75/19,649.51
  6. Step 6: Final answer
    x = 16,135.79

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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.