Home / 28,204.63-42,309.07-9,484.72

Finding the Fourth Proportional to 28,204.63, 42,309.07 and 9,484.72

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Solution

The fourth proportional to 28,204.63, 42,309.07 and 9,484.72 is: 14,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.63 : 42,309.07 = 9,484.72 : x
  2. Step 2: Convert to fraction form
    28,204.63/42,309.07 = 9,484.72/x
  3. Step 3: Cross multiply
    28,204.63x = 42,309.07 × 9,484.72
  4. Step 4: Simplify right side
    28,204.63x = 401,289,552.93
  5. Step 5: Solve for x
    x = 401,289,552.93/28,204.63
  6. Step 6: Final answer
    x = 14,227.79

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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.