Home / 14,370.62-21,555.90-5,611.68

Finding the Fourth Proportional to 14,370.62, 21,555.90 and 5,611.68

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Solution

The fourth proportional to 14,370.62, 21,555.90 and 5,611.68 is: 8,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.62 : 21,555.90 = 5,611.68 : x
  2. Step 2: Convert to fraction form
    14,370.62/21,555.90 = 5,611.68/x
  3. Step 3: Cross multiply
    14,370.62x = 21,555.90 × 5,611.68
  4. Step 4: Simplify right side
    14,370.62x = 120,964,812.91
  5. Step 5: Solve for x
    x = 120,964,812.91/14,370.62
  6. Step 6: Final answer
    x = 8,417.51

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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.