Home / 21,050.92-29,052.21-14,686.75

Finding the Fourth Proportional to 21,050.92, 29,052.21 and 14,686.75

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Solution

The fourth proportional to 21,050.92, 29,052.21 and 14,686.75 is: 20,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.92 : 29,052.21 = 14,686.75 : x
  2. Step 2: Convert to fraction form
    21,050.92/29,052.21 = 14,686.75/x
  3. Step 3: Cross multiply
    21,050.92x = 29,052.21 × 14,686.75
  4. Step 4: Simplify right side
    21,050.92x = 426,682,545.22
  5. Step 5: Solve for x
    x = 426,682,545.22/21,050.92
  6. Step 6: Final answer
    x = 20,269.07

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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.