Home / 13,652.40-20,474.60-5,330.52

Finding the Fourth Proportional to 13,652.40, 20,474.60 and 5,330.52

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Solution

The fourth proportional to 13,652.40, 20,474.60 and 5,330.52 is: 7,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.40 : 20,474.60 = 5,330.52 : x
  2. Step 2: Convert to fraction form
    13,652.40/20,474.60 = 5,330.52/x
  3. Step 3: Cross multiply
    13,652.40x = 20,474.60 × 5,330.52
  4. Step 4: Simplify right side
    13,652.40x = 109,140,264.79
  5. Step 5: Solve for x
    x = 109,140,264.79/13,652.40
  6. Step 6: Final answer
    x = 7,994.22

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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.