Home / 14,049.71-21,074.55-4,188.74

Finding the Fourth Proportional to 14,049.71, 21,074.55 and 4,188.74

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Solution

The fourth proportional to 14,049.71, 21,074.55 and 4,188.74 is: 6,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.71 : 21,074.55 = 4,188.74 : x
  2. Step 2: Convert to fraction form
    14,049.71/21,074.55 = 4,188.74/x
  3. Step 3: Cross multiply
    14,049.71x = 21,074.55 × 4,188.74
  4. Step 4: Simplify right side
    14,049.71x = 88,275,810.57
  5. Step 5: Solve for x
    x = 88,275,810.57/14,049.71
  6. Step 6: Final answer
    x = 6,283.11

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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.