Home / 14,359.30-19,817.38-8,392.98

Finding the Fourth Proportional to 14,359.30, 19,817.38 and 8,392.98

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Solution

The fourth proportional to 14,359.30, 19,817.38 and 8,392.98 is: 11,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.30 : 19,817.38 = 8,392.98 : x
  2. Step 2: Convert to fraction form
    14,359.30/19,817.38 = 8,392.98/x
  3. Step 3: Cross multiply
    14,359.30x = 19,817.38 × 8,392.98
  4. Step 4: Simplify right side
    14,359.30x = 166,326,873.99
  5. Step 5: Solve for x
    x = 166,326,873.99/14,359.30
  6. Step 6: Final answer
    x = 11,583.22

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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.