Home / 13,566.61-20,353.02-5,246.70

Finding the Fourth Proportional to 13,566.61, 20,353.02 and 5,246.70

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Solution

The fourth proportional to 13,566.61, 20,353.02 and 5,246.70 is: 7,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.61 : 20,353.02 = 5,246.70 : x
  2. Step 2: Convert to fraction form
    13,566.61/20,353.02 = 5,246.70/x
  3. Step 3: Cross multiply
    13,566.61x = 20,353.02 × 5,246.70
  4. Step 4: Simplify right side
    13,566.61x = 106,786,190.03
  5. Step 5: Solve for x
    x = 106,786,190.03/13,566.61
  6. Step 6: Final answer
    x = 7,871.25

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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.