Home / 21,627.27-32,465.21-16,755.66

Finding the Fourth Proportional to 21,627.27, 32,465.21 and 16,755.66

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Solution

The fourth proportional to 21,627.27, 32,465.21 and 16,755.66 is: 25,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.27 : 32,465.21 = 16,755.66 : x
  2. Step 2: Convert to fraction form
    21,627.27/32,465.21 = 16,755.66/x
  3. Step 3: Cross multiply
    21,627.27x = 32,465.21 × 16,755.66
  4. Step 4: Simplify right side
    21,627.27x = 543,975,936.81
  5. Step 5: Solve for x
    x = 543,975,936.81/21,627.27
  6. Step 6: Final answer
    x = 25,152.32

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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.