Home / 23,827.43-32,885.79-13,220.48

Finding the Fourth Proportional to 23,827.43, 32,885.79 and 13,220.48

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Solution

The fourth proportional to 23,827.43, 32,885.79 and 13,220.48 is: 18,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,827.43 : 32,885.79 = 13,220.48 : x
  2. Step 2: Convert to fraction form
    23,827.43/32,885.79 = 13,220.48/x
  3. Step 3: Cross multiply
    23,827.43x = 32,885.79 × 13,220.48
  4. Step 4: Simplify right side
    23,827.43x = 434,765,928.98
  5. Step 5: Solve for x
    x = 434,765,928.98/23,827.43
  6. Step 6: Final answer
    x = 18,246.45

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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.