Home / 20,059.92-27,681.75-12,100.32

Finding the Fourth Proportional to 20,059.92, 27,681.75 and 12,100.32

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Solution

The fourth proportional to 20,059.92, 27,681.75 and 12,100.32 is: 16,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.92 : 27,681.75 = 12,100.32 : x
  2. Step 2: Convert to fraction form
    20,059.92/27,681.75 = 12,100.32/x
  3. Step 3: Cross multiply
    20,059.92x = 27,681.75 × 12,100.32
  4. Step 4: Simplify right side
    20,059.92x = 334,958,033.16
  5. Step 5: Solve for x
    x = 334,958,033.16/20,059.92
  6. Step 6: Final answer
    x = 16,697.87

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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.