Home / 13,052.16-19,582.20-4,287.60

Finding the Fourth Proportional to 13,052.16, 19,582.20 and 4,287.60

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Solution

The fourth proportional to 13,052.16, 19,582.20 and 4,287.60 is: 6,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.16 : 19,582.20 = 4,287.60 : x
  2. Step 2: Convert to fraction form
    13,052.16/19,582.20 = 4,287.60/x
  3. Step 3: Cross multiply
    13,052.16x = 19,582.20 × 4,287.60
  4. Step 4: Simplify right side
    13,052.16x = 83,960,640.72
  5. Step 5: Solve for x
    x = 83,960,640.72/13,052.16
  6. Step 6: Final answer
    x = 6,432.70

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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.