Home / 18,916.66-28,400.12-16,161.04

Finding the Fourth Proportional to 18,916.66, 28,400.12 and 16,161.04

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Solution

The fourth proportional to 18,916.66, 28,400.12 and 16,161.04 is: 24,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.66 : 28,400.12 = 16,161.04 : x
  2. Step 2: Convert to fraction form
    18,916.66/28,400.12 = 16,161.04/x
  3. Step 3: Cross multiply
    18,916.66x = 28,400.12 × 16,161.04
  4. Step 4: Simplify right side
    18,916.66x = 458,975,475.32
  5. Step 5: Solve for x
    x = 458,975,475.32/18,916.66
  6. Step 6: Final answer
    x = 24,263.03

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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.