Home / 13,934.44-20,916.44-12,341.92

Finding the Fourth Proportional to 13,934.44, 20,916.44 and 12,341.92

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Solution

The fourth proportional to 13,934.44, 20,916.44 and 12,341.92 is: 18,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.44 : 20,916.44 = 12,341.92 : x
  2. Step 2: Convert to fraction form
    13,934.44/20,916.44 = 12,341.92/x
  3. Step 3: Cross multiply
    13,934.44x = 20,916.44 × 12,341.92
  4. Step 4: Simplify right side
    13,934.44x = 258,148,967.46
  5. Step 5: Solve for x
    x = 258,148,967.46/13,934.44
  6. Step 6: Final answer
    x = 18,525.97

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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.