Home / 13,473.66-20,154.23-9,470.79

Finding the Fourth Proportional to 13,473.66, 20,154.23 and 9,470.79

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Solution

The fourth proportional to 13,473.66, 20,154.23 and 9,470.79 is: 14,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.66 : 20,154.23 = 9,470.79 : x
  2. Step 2: Convert to fraction form
    13,473.66/20,154.23 = 9,470.79/x
  3. Step 3: Cross multiply
    13,473.66x = 20,154.23 × 9,470.79
  4. Step 4: Simplify right side
    13,473.66x = 190,876,432.59
  5. Step 5: Solve for x
    x = 190,876,432.59/13,473.66
  6. Step 6: Final answer
    x = 14,166.64

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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.