Home / 14,400.38-21,600.68-4,540.46

Finding the Fourth Proportional to 14,400.38, 21,600.68 and 4,540.46

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Solution

The fourth proportional to 14,400.38, 21,600.68 and 4,540.46 is: 6,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.38 : 21,600.68 = 4,540.46 : x
  2. Step 2: Convert to fraction form
    14,400.38/21,600.68 = 4,540.46/x
  3. Step 3: Cross multiply
    14,400.38x = 21,600.68 × 4,540.46
  4. Step 4: Simplify right side
    14,400.38x = 98,076,892.81
  5. Step 5: Solve for x
    x = 98,076,892.81/14,400.38
  6. Step 6: Final answer
    x = 6,810.71

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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.