Home / 14,168.88-21,254.40-4,172.94

Finding the Fourth Proportional to 14,168.88, 21,254.40 and 4,172.94

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Solution

The fourth proportional to 14,168.88, 21,254.40 and 4,172.94 is: 6,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.88 : 21,254.40 = 4,172.94 : x
  2. Step 2: Convert to fraction form
    14,168.88/21,254.40 = 4,172.94/x
  3. Step 3: Cross multiply
    14,168.88x = 21,254.40 × 4,172.94
  4. Step 4: Simplify right side
    14,168.88x = 88,693,335.94
  5. Step 5: Solve for x
    x = 88,693,335.94/14,168.88
  6. Step 6: Final answer
    x = 6,259.73

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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.