Home / 14,181.09-21,274.81-4,321.14

Finding the Fourth Proportional to 14,181.09, 21,274.81 and 4,321.14

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Solution

The fourth proportional to 14,181.09, 21,274.81 and 4,321.14 is: 6,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.09 : 21,274.81 = 4,321.14 : x
  2. Step 2: Convert to fraction form
    14,181.09/21,274.81 = 4,321.14/x
  3. Step 3: Cross multiply
    14,181.09x = 21,274.81 × 4,321.14
  4. Step 4: Simplify right side
    14,181.09x = 91,931,432.48
  5. Step 5: Solve for x
    x = 91,931,432.48/14,181.09
  6. Step 6: Final answer
    x = 6,482.68

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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.