Home / 14,180.68-21,274.10-4,319.70

Finding the Fourth Proportional to 14,180.68, 21,274.10 and 4,319.70

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Solution

The fourth proportional to 14,180.68, 21,274.10 and 4,319.70 is: 6,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.68 : 21,274.10 = 4,319.70 : x
  2. Step 2: Convert to fraction form
    14,180.68/21,274.10 = 4,319.70/x
  3. Step 3: Cross multiply
    14,180.68x = 21,274.10 × 4,319.70
  4. Step 4: Simplify right side
    14,180.68x = 91,897,729.77
  5. Step 5: Solve for x
    x = 91,897,729.77/14,180.68
  6. Step 6: Final answer
    x = 6,480.49

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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.