Home / 45,618.30-68,401.32-14,020.14

Finding the Fourth Proportional to 45,618.30, 68,401.32 and 14,020.14

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Solution

The fourth proportional to 45,618.30, 68,401.32 and 14,020.14 is: 21,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.30 : 68,401.32 = 14,020.14 : x
  2. Step 2: Convert to fraction form
    45,618.30/68,401.32 = 14,020.14/x
  3. Step 3: Cross multiply
    45,618.30x = 68,401.32 × 14,020.14
  4. Step 4: Simplify right side
    45,618.30x = 958,996,082.58
  5. Step 5: Solve for x
    x = 958,996,082.58/45,618.30
  6. Step 6: Final answer
    x = 21,022.18

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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.