Home / 14,170.46-21,256.88-4,309.83

Finding the Fourth Proportional to 14,170.46, 21,256.88 and 4,309.83

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Solution

The fourth proportional to 14,170.46, 21,256.88 and 4,309.83 is: 6,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.46 : 21,256.88 = 4,309.83 : x
  2. Step 2: Convert to fraction form
    14,170.46/21,256.88 = 4,309.83/x
  3. Step 3: Cross multiply
    14,170.46x = 21,256.88 × 4,309.83
  4. Step 4: Simplify right side
    14,170.46x = 91,613,539.13
  5. Step 5: Solve for x
    x = 91,613,539.13/14,170.46
  6. Step 6: Final answer
    x = 6,465.11

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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.