Home / 19,318.08-26,663.12-11,766.90

Finding the Fourth Proportional to 19,318.08, 26,663.12 and 11,766.90

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Solution

The fourth proportional to 19,318.08, 26,663.12 and 11,766.90 is: 16,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.08 : 26,663.12 = 11,766.90 : x
  2. Step 2: Convert to fraction form
    19,318.08/26,663.12 = 11,766.90/x
  3. Step 3: Cross multiply
    19,318.08x = 26,663.12 × 11,766.90
  4. Step 4: Simplify right side
    19,318.08x = 313,742,266.73
  5. Step 5: Solve for x
    x = 313,742,266.73/19,318.08
  6. Step 6: Final answer
    x = 16,240.86

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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.