Home / 14,724.18-20,337.61-10,684.51

Finding the Fourth Proportional to 14,724.18, 20,337.61 and 10,684.51

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Solution

The fourth proportional to 14,724.18, 20,337.61 and 10,684.51 is: 14,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.18 : 20,337.61 = 10,684.51 : x
  2. Step 2: Convert to fraction form
    14,724.18/20,337.61 = 10,684.51/x
  3. Step 3: Cross multiply
    14,724.18x = 20,337.61 × 10,684.51
  4. Step 4: Simplify right side
    14,724.18x = 217,297,319.87
  5. Step 5: Solve for x
    x = 217,297,319.87/14,724.18
  6. Step 6: Final answer
    x = 14,757.86

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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.