Home / 14,261.76-21,392.28-3,873.60

Finding the Fourth Proportional to 14,261.76, 21,392.28 and 3,873.60

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Solution

The fourth proportional to 14,261.76, 21,392.28 and 3,873.60 is: 5,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.76 : 21,392.28 = 3,873.60 : x
  2. Step 2: Convert to fraction form
    14,261.76/21,392.28 = 3,873.60/x
  3. Step 3: Cross multiply
    14,261.76x = 21,392.28 × 3,873.60
  4. Step 4: Simplify right side
    14,261.76x = 82,865,135.81
  5. Step 5: Solve for x
    x = 82,865,135.81/14,261.76
  6. Step 6: Final answer
    x = 5,810.30

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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.