Home / 13,760.48-20,634.65-5,866.63

Finding the Fourth Proportional to 13,760.48, 20,634.65 and 5,866.63

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Solution

The fourth proportional to 13,760.48, 20,634.65 and 5,866.63 is: 8,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.48 : 20,634.65 = 5,866.63 : x
  2. Step 2: Convert to fraction form
    13,760.48/20,634.65 = 5,866.63/x
  3. Step 3: Cross multiply
    13,760.48x = 20,634.65 × 5,866.63
  4. Step 4: Simplify right side
    13,760.48x = 121,055,797.81
  5. Step 5: Solve for x
    x = 121,055,797.81/13,760.48
  6. Step 6: Final answer
    x = 8,797.35

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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.