Home / 13,959.96-20,941.08-5,192.76

Finding the Fourth Proportional to 13,959.96, 20,941.08 and 5,192.76

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Solution

The fourth proportional to 13,959.96, 20,941.08 and 5,192.76 is: 7,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.96 : 20,941.08 = 5,192.76 : x
  2. Step 2: Convert to fraction form
    13,959.96/20,941.08 = 5,192.76/x
  3. Step 3: Cross multiply
    13,959.96x = 20,941.08 × 5,192.76
  4. Step 4: Simplify right side
    13,959.96x = 108,742,002.58
  5. Step 5: Solve for x
    x = 108,742,002.58/13,959.96
  6. Step 6: Final answer
    x = 7,789.56

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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.