Home / 14,158.70-19,540.10-8,493.66

Finding the Fourth Proportional to 14,158.70, 19,540.10 and 8,493.66

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Solution

The fourth proportional to 14,158.70, 19,540.10 and 8,493.66 is: 11,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.70 : 19,540.10 = 8,493.66 : x
  2. Step 2: Convert to fraction form
    14,158.70/19,540.10 = 8,493.66/x
  3. Step 3: Cross multiply
    14,158.70x = 19,540.10 × 8,493.66
  4. Step 4: Simplify right side
    14,158.70x = 165,966,965.77
  5. Step 5: Solve for x
    x = 165,966,965.77/14,158.70
  6. Step 6: Final answer
    x = 11,721.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.