Home / 13,972.32-20,958.36-5,652.24

Finding the Fourth Proportional to 13,972.32, 20,958.36 and 5,652.24

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Solution

The fourth proportional to 13,972.32, 20,958.36 and 5,652.24 is: 8,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.32 : 20,958.36 = 5,652.24 : x
  2. Step 2: Convert to fraction form
    13,972.32/20,958.36 = 5,652.24/x
  3. Step 3: Cross multiply
    13,972.32x = 20,958.36 × 5,652.24
  4. Step 4: Simplify right side
    13,972.32x = 118,461,680.73
  5. Step 5: Solve for x
    x = 118,461,680.73/13,972.32
  6. Step 6: Final answer
    x = 8,478.31

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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.