Home / 20,009.28-27,611.52-11,624.16

Finding the Fourth Proportional to 20,009.28, 27,611.52 and 11,624.16

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Solution

The fourth proportional to 20,009.28, 27,611.52 and 11,624.16 is: 16,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.28 : 27,611.52 = 11,624.16 : x
  2. Step 2: Convert to fraction form
    20,009.28/27,611.52 = 11,624.16/x
  3. Step 3: Cross multiply
    20,009.28x = 27,611.52 × 11,624.16
  4. Step 4: Simplify right side
    20,009.28x = 320,960,726.32
  5. Step 5: Solve for x
    x = 320,960,726.32/20,009.28
  6. Step 6: Final answer
    x = 16,040.59

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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.