Home / 38,187.09-57,285.66-14,168.12

Finding the Fourth Proportional to 38,187.09, 57,285.66 and 14,168.12

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Solution

The fourth proportional to 38,187.09, 57,285.66 and 14,168.12 is: 21,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.09 : 57,285.66 = 14,168.12 : x
  2. Step 2: Convert to fraction form
    38,187.09/57,285.66 = 14,168.12/x
  3. Step 3: Cross multiply
    38,187.09x = 57,285.66 × 14,168.12
  4. Step 4: Simplify right side
    38,187.09x = 811,630,295.44
  5. Step 5: Solve for x
    x = 811,630,295.44/38,187.09
  6. Step 6: Final answer
    x = 21,254.05

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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.