Home / 14,243.49-19,654.47-8,499.88

Finding the Fourth Proportional to 14,243.49, 19,654.47 and 8,499.88

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Solution

The fourth proportional to 14,243.49, 19,654.47 and 8,499.88 is: 11,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.49 : 19,654.47 = 8,499.88 : x
  2. Step 2: Convert to fraction form
    14,243.49/19,654.47 = 8,499.88/x
  3. Step 3: Cross multiply
    14,243.49x = 19,654.47 × 8,499.88
  4. Step 4: Simplify right side
    14,243.49x = 167,060,636.46
  5. Step 5: Solve for x
    x = 167,060,636.46/14,243.49
  6. Step 6: Final answer
    x = 11,728.91

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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.