Home / 14,172.71-21,254.57-4,682.88

Finding the Fourth Proportional to 14,172.71, 21,254.57 and 4,682.88

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Solution

The fourth proportional to 14,172.71, 21,254.57 and 4,682.88 is: 7,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.71 : 21,254.57 = 4,682.88 : x
  2. Step 2: Convert to fraction form
    14,172.71/21,254.57 = 4,682.88/x
  3. Step 3: Cross multiply
    14,172.71x = 21,254.57 × 4,682.88
  4. Step 4: Simplify right side
    14,172.71x = 99,532,594.91
  5. Step 5: Solve for x
    x = 99,532,594.91/14,172.71
  6. Step 6: Final answer
    x = 7,022.84

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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.