Home / 13,724.28-20,582.46-4,957.56

Finding the Fourth Proportional to 13,724.28, 20,582.46 and 4,957.56

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Solution

The fourth proportional to 13,724.28, 20,582.46 and 4,957.56 is: 7,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.28 : 20,582.46 = 4,957.56 : x
  2. Step 2: Convert to fraction form
    13,724.28/20,582.46 = 4,957.56/x
  3. Step 3: Cross multiply
    13,724.28x = 20,582.46 × 4,957.56
  4. Step 4: Simplify right side
    13,724.28x = 102,038,780.40
  5. Step 5: Solve for x
    x = 102,038,780.40/13,724.28
  6. Step 6: Final answer
    x = 7,434.91

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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.