Home / 19,285.92-26,613.36-10,787.04

Finding the Fourth Proportional to 19,285.92, 26,613.36 and 10,787.04

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Solution

The fourth proportional to 19,285.92, 26,613.36 and 10,787.04 is: 14,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.92 : 26,613.36 = 10,787.04 : x
  2. Step 2: Convert to fraction form
    19,285.92/26,613.36 = 10,787.04/x
  3. Step 3: Cross multiply
    19,285.92x = 26,613.36 × 10,787.04
  4. Step 4: Simplify right side
    19,285.92x = 287,079,378.85
  5. Step 5: Solve for x
    x = 287,079,378.85/19,285.92
  6. Step 6: Final answer
    x = 14,885.44

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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.