Home / 14,156.10-21,074.04-14,082.66

Finding the Fourth Proportional to 14,156.10, 21,074.04 and 14,082.66

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Solution

The fourth proportional to 14,156.10, 21,074.04 and 14,082.66 is: 20,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.10 : 21,074.04 = 14,082.66 : x
  2. Step 2: Convert to fraction form
    14,156.10/21,074.04 = 14,082.66/x
  3. Step 3: Cross multiply
    14,156.10x = 21,074.04 × 14,082.66
  4. Step 4: Simplify right side
    14,156.10x = 296,778,540.15
  5. Step 5: Solve for x
    x = 296,778,540.15/14,156.10
  6. Step 6: Final answer
    x = 20,964.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.