Home / 19,585.19-29,377.78-11,277.83

Finding the Fourth Proportional to 19,585.19, 29,377.78 and 11,277.83

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Solution

The fourth proportional to 19,585.19, 29,377.78 and 11,277.83 is: 16,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.19 : 29,377.78 = 11,277.83 : x
  2. Step 2: Convert to fraction form
    19,585.19/29,377.78 = 11,277.83/x
  3. Step 3: Cross multiply
    19,585.19x = 29,377.78 × 11,277.83
  4. Step 4: Simplify right side
    19,585.19x = 331,317,433.53
  5. Step 5: Solve for x
    x = 331,317,433.53/19,585.19
  6. Step 6: Final answer
    x = 16,916.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.