Home / 19,816.64-27,341.52-12,259.34

Finding the Fourth Proportional to 19,816.64, 27,341.52 and 12,259.34

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Solution

The fourth proportional to 19,816.64, 27,341.52 and 12,259.34 is: 16,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.64 : 27,341.52 = 12,259.34 : x
  2. Step 2: Convert to fraction form
    19,816.64/27,341.52 = 12,259.34/x
  3. Step 3: Cross multiply
    19,816.64x = 27,341.52 × 12,259.34
  4. Step 4: Simplify right side
    19,816.64x = 335,188,989.80
  5. Step 5: Solve for x
    x = 335,188,989.80/19,816.64
  6. Step 6: Final answer
    x = 16,914.52

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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.