Home / 14,724.84-20,323.20-8,351.56

Finding the Fourth Proportional to 14,724.84, 20,323.20 and 8,351.56

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Solution

The fourth proportional to 14,724.84, 20,323.20 and 8,351.56 is: 11,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.84 : 20,323.20 = 8,351.56 : x
  2. Step 2: Convert to fraction form
    14,724.84/20,323.20 = 8,351.56/x
  3. Step 3: Cross multiply
    14,724.84x = 20,323.20 × 8,351.56
  4. Step 4: Simplify right side
    14,724.84x = 169,730,424.19
  5. Step 5: Solve for x
    x = 169,730,424.19/14,724.84
  6. Step 6: Final answer
    x = 11,526.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.