Home / 19,153.28-28,701.81-9,652.61

Finding the Fourth Proportional to 19,153.28, 28,701.81 and 9,652.61

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Solution

The fourth proportional to 19,153.28, 28,701.81 and 9,652.61 is: 14,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.28 : 28,701.81 = 9,652.61 : x
  2. Step 2: Convert to fraction form
    19,153.28/28,701.81 = 9,652.61/x
  3. Step 3: Cross multiply
    19,153.28x = 28,701.81 × 9,652.61
  4. Step 4: Simplify right side
    19,153.28x = 277,047,234.72
  5. Step 5: Solve for x
    x = 277,047,234.72/19,153.28
  6. Step 6: Final answer
    x = 14,464.74

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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.