Home / 14,269.81-19,687.54-8,296.60

Finding the Fourth Proportional to 14,269.81, 19,687.54 and 8,296.60

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Solution

The fourth proportional to 14,269.81, 19,687.54 and 8,296.60 is: 11,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.81 : 19,687.54 = 8,296.60 : x
  2. Step 2: Convert to fraction form
    14,269.81/19,687.54 = 8,296.60/x
  3. Step 3: Cross multiply
    14,269.81x = 19,687.54 × 8,296.60
  4. Step 4: Simplify right side
    14,269.81x = 163,339,602.88
  5. Step 5: Solve for x
    x = 163,339,602.88/14,269.81
  6. Step 6: Final answer
    x = 11,446.52

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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.