Home / 14,784.41-22,172.13-5,422.20

Finding the Fourth Proportional to 14,784.41, 22,172.13 and 5,422.20

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Solution

The fourth proportional to 14,784.41, 22,172.13 and 5,422.20 is: 8,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.41 : 22,172.13 = 5,422.20 : x
  2. Step 2: Convert to fraction form
    14,784.41/22,172.13 = 5,422.20/x
  3. Step 3: Cross multiply
    14,784.41x = 22,172.13 × 5,422.20
  4. Step 4: Simplify right side
    14,784.41x = 120,221,723.29
  5. Step 5: Solve for x
    x = 120,221,723.29/14,784.41
  6. Step 6: Final answer
    x = 8,131.66

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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.