Home / 20,186.00-27,856.25-11,232.96

Finding the Fourth Proportional to 20,186.00, 27,856.25 and 11,232.96

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Solution

The fourth proportional to 20,186.00, 27,856.25 and 11,232.96 is: 15,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.00 : 27,856.25 = 11,232.96 : x
  2. Step 2: Convert to fraction form
    20,186.00/27,856.25 = 11,232.96/x
  3. Step 3: Cross multiply
    20,186.00x = 27,856.25 × 11,232.96
  4. Step 4: Simplify right side
    20,186.00x = 312,908,085.84
  5. Step 5: Solve for x
    x = 312,908,085.84/20,186.00
  6. Step 6: Final answer
    x = 15,501.25

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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.