Home / 14,049.83-19,384.40-7,999.63

Finding the Fourth Proportional to 14,049.83, 19,384.40 and 7,999.63

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Solution

The fourth proportional to 14,049.83, 19,384.40 and 7,999.63 is: 11,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.83 : 19,384.40 = 7,999.63 : x
  2. Step 2: Convert to fraction form
    14,049.83/19,384.40 = 7,999.63/x
  3. Step 3: Cross multiply
    14,049.83x = 19,384.40 × 7,999.63
  4. Step 4: Simplify right side
    14,049.83x = 155,067,999.31
  5. Step 5: Solve for x
    x = 155,067,999.31/14,049.83
  6. Step 6: Final answer
    x = 11,037.00

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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.