Home / 14,278.66-19,706.89-9,798.73

Finding the Fourth Proportional to 14,278.66, 19,706.89 and 9,798.73

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Solution

The fourth proportional to 14,278.66, 19,706.89 and 9,798.73 is: 13,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.66 : 19,706.89 = 9,798.73 : x
  2. Step 2: Convert to fraction form
    14,278.66/19,706.89 = 9,798.73/x
  3. Step 3: Cross multiply
    14,278.66x = 19,706.89 × 9,798.73
  4. Step 4: Simplify right side
    14,278.66x = 193,102,420.49
  5. Step 5: Solve for x
    x = 193,102,420.49/14,278.66
  6. Step 6: Final answer
    x = 13,523.85

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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.