Home / 20,422.02-30,584.43-14,188.26

Finding the Fourth Proportional to 20,422.02, 30,584.43 and 14,188.26

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Solution

The fourth proportional to 20,422.02, 30,584.43 and 14,188.26 is: 21,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,422.02 : 30,584.43 = 14,188.26 : x
  2. Step 2: Convert to fraction form
    20,422.02/30,584.43 = 14,188.26/x
  3. Step 3: Cross multiply
    20,422.02x = 30,584.43 × 14,188.26
  4. Step 4: Simplify right side
    20,422.02x = 433,939,844.79
  5. Step 5: Solve for x
    x = 433,939,844.79/20,422.02
  6. Step 6: Final answer
    x = 21,248.63

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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.