Home / 13,699.73-20,542.18-4,812.76

Finding the Fourth Proportional to 13,699.73, 20,542.18 and 4,812.76

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Solution

The fourth proportional to 13,699.73, 20,542.18 and 4,812.76 is: 7,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.73 : 20,542.18 = 4,812.76 : x
  2. Step 2: Convert to fraction form
    13,699.73/20,542.18 = 4,812.76/x
  3. Step 3: Cross multiply
    13,699.73x = 20,542.18 × 4,812.76
  4. Step 4: Simplify right side
    13,699.73x = 98,864,582.22
  5. Step 5: Solve for x
    x = 98,864,582.22/13,699.73
  6. Step 6: Final answer
    x = 7,216.54

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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.