Home / 19,184.18-28,768.71-9,320.54

Finding the Fourth Proportional to 19,184.18, 28,768.71 and 9,320.54

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Solution

The fourth proportional to 19,184.18, 28,768.71 and 9,320.54 is: 13,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.18 : 28,768.71 = 9,320.54 : x
  2. Step 2: Convert to fraction form
    19,184.18/28,768.71 = 9,320.54/x
  3. Step 3: Cross multiply
    19,184.18x = 28,768.71 × 9,320.54
  4. Step 4: Simplify right side
    19,184.18x = 268,139,912.30
  5. Step 5: Solve for x
    x = 268,139,912.30/19,184.18
  6. Step 6: Final answer
    x = 13,977.14

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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.