Home / 14,221.06-21,334.92-4,861.16

Finding the Fourth Proportional to 14,221.06, 21,334.92 and 4,861.16

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Solution

The fourth proportional to 14,221.06, 21,334.92 and 4,861.16 is: 7,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.06 : 21,334.92 = 4,861.16 : x
  2. Step 2: Convert to fraction form
    14,221.06/21,334.92 = 4,861.16/x
  3. Step 3: Cross multiply
    14,221.06x = 21,334.92 × 4,861.16
  4. Step 4: Simplify right side
    14,221.06x = 103,712,459.71
  5. Step 5: Solve for x
    x = 103,712,459.71/14,221.06
  6. Step 6: Final answer
    x = 7,292.88

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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.