Home / 12,422.44-18,637.80-5,022.88

Finding the Fourth Proportional to 12,422.44, 18,637.80 and 5,022.88

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Solution

The fourth proportional to 12,422.44, 18,637.80 and 5,022.88 is: 7,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.44 : 18,637.80 = 5,022.88 : x
  2. Step 2: Convert to fraction form
    12,422.44/18,637.80 = 5,022.88/x
  3. Step 3: Cross multiply
    12,422.44x = 18,637.80 × 5,022.88
  4. Step 4: Simplify right side
    12,422.44x = 93,615,432.86
  5. Step 5: Solve for x
    x = 93,615,432.86/12,422.44
  6. Step 6: Final answer
    x = 7,535.99

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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.