Home / 14,669.76-20,248.74-11,705.97

Finding the Fourth Proportional to 14,669.76, 20,248.74 and 11,705.97

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Solution

The fourth proportional to 14,669.76, 20,248.74 and 11,705.97 is: 16,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.76 : 20,248.74 = 11,705.97 : x
  2. Step 2: Convert to fraction form
    14,669.76/20,248.74 = 11,705.97/x
  3. Step 3: Cross multiply
    14,669.76x = 20,248.74 × 11,705.97
  4. Step 4: Simplify right side
    14,669.76x = 237,031,142.98
  5. Step 5: Solve for x
    x = 237,031,142.98/14,669.76
  6. Step 6: Final answer
    x = 16,157.81

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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.