Home / 28,182.39-42,278.44-9,464.22

Finding the Fourth Proportional to 28,182.39, 42,278.44 and 9,464.22

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Solution

The fourth proportional to 28,182.39, 42,278.44 and 9,464.22 is: 14,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.39 : 42,278.44 = 9,464.22 : x
  2. Step 2: Convert to fraction form
    28,182.39/42,278.44 = 9,464.22/x
  3. Step 3: Cross multiply
    28,182.39x = 42,278.44 × 9,464.22
  4. Step 4: Simplify right side
    28,182.39x = 400,132,457.42
  5. Step 5: Solve for x
    x = 400,132,457.42/28,182.39
  6. Step 6: Final answer
    x = 14,197.96

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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.