Home / 19,736.52-29,650.74-18,674.88

Finding the Fourth Proportional to 19,736.52, 29,650.74 and 18,674.88

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Solution

The fourth proportional to 19,736.52, 29,650.74 and 18,674.88 is: 28,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.52 : 29,650.74 = 18,674.88 : x
  2. Step 2: Convert to fraction form
    19,736.52/29,650.74 = 18,674.88/x
  3. Step 3: Cross multiply
    19,736.52x = 29,650.74 × 18,674.88
  4. Step 4: Simplify right side
    19,736.52x = 553,724,011.41
  5. Step 5: Solve for x
    x = 553,724,011.41/19,736.52
  6. Step 6: Final answer
    x = 28,055.81

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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.