Home / 14,551.32-21,808.72-6,221.55

Finding the Fourth Proportional to 14,551.32, 21,808.72 and 6,221.55

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Solution

The fourth proportional to 14,551.32, 21,808.72 and 6,221.55 is: 9,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.32 : 21,808.72 = 6,221.55 : x
  2. Step 2: Convert to fraction form
    14,551.32/21,808.72 = 6,221.55/x
  3. Step 3: Cross multiply
    14,551.32x = 21,808.72 × 6,221.55
  4. Step 4: Simplify right side
    14,551.32x = 135,684,041.92
  5. Step 5: Solve for x
    x = 135,684,041.92/14,551.32
  6. Step 6: Final answer
    x = 9,324.52

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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.