Home / 53,920.32-80,864.64-18,853.44

Finding the Fourth Proportional to 53,920.32, 80,864.64 and 18,853.44

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Solution

The fourth proportional to 53,920.32, 80,864.64 and 18,853.44 is: 28,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.32 : 80,864.64 = 18,853.44 : x
  2. Step 2: Convert to fraction form
    53,920.32/80,864.64 = 18,853.44/x
  3. Step 3: Cross multiply
    53,920.32x = 80,864.64 × 18,853.44
  4. Step 4: Simplify right side
    53,920.32x = 1,524,576,638.36
  5. Step 5: Solve for x
    x = 1,524,576,638.36/53,920.32
  6. Step 6: Final answer
    x = 28,274.62

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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.