Home / 13,200.12-19,783.58-9,432.27

Finding the Fourth Proportional to 13,200.12, 19,783.58 and 9,432.27

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Solution

The fourth proportional to 13,200.12, 19,783.58 and 9,432.27 is: 14,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.12 : 19,783.58 = 9,432.27 : x
  2. Step 2: Convert to fraction form
    13,200.12/19,783.58 = 9,432.27/x
  3. Step 3: Cross multiply
    13,200.12x = 19,783.58 × 9,432.27
  4. Step 4: Simplify right side
    13,200.12x = 186,604,020.97
  5. Step 5: Solve for x
    x = 186,604,020.97/13,200.12
  6. Step 6: Final answer
    x = 14,136.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.