Home / 19,152.36-28,732.06-8,622.63

Finding the Fourth Proportional to 19,152.36, 28,732.06 and 8,622.63

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Solution

The fourth proportional to 19,152.36, 28,732.06 and 8,622.63 is: 12,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.36 : 28,732.06 = 8,622.63 : x
  2. Step 2: Convert to fraction form
    19,152.36/28,732.06 = 8,622.63/x
  3. Step 3: Cross multiply
    19,152.36x = 28,732.06 × 8,622.63
  4. Step 4: Simplify right side
    19,152.36x = 247,745,922.52
  5. Step 5: Solve for x
    x = 247,745,922.52/19,152.36
  6. Step 6: Final answer
    x = 12,935.53

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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.