Home / 19,411.37-29,158.50-13,900.13

Finding the Fourth Proportional to 19,411.37, 29,158.50 and 13,900.13

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Solution

The fourth proportional to 19,411.37, 29,158.50 and 13,900.13 is: 20,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.37 : 29,158.50 = 13,900.13 : x
  2. Step 2: Convert to fraction form
    19,411.37/29,158.50 = 13,900.13/x
  3. Step 3: Cross multiply
    19,411.37x = 29,158.50 × 13,900.13
  4. Step 4: Simplify right side
    19,411.37x = 405,306,794.81
  5. Step 5: Solve for x
    x = 405,306,794.81/19,411.37
  6. Step 6: Final answer
    x = 20,879.87

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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.