Home / 22,237.29-30,686.28-12,163.77

Finding the Fourth Proportional to 22,237.29, 30,686.28 and 12,163.77

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Solution

The fourth proportional to 22,237.29, 30,686.28 and 12,163.77 is: 16,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.29 : 30,686.28 = 12,163.77 : x
  2. Step 2: Convert to fraction form
    22,237.29/30,686.28 = 12,163.77/x
  3. Step 3: Cross multiply
    22,237.29x = 30,686.28 × 12,163.77
  4. Step 4: Simplify right side
    22,237.29x = 373,260,852.08
  5. Step 5: Solve for x
    x = 373,260,852.08/22,237.29
  6. Step 6: Final answer
    x = 16,785.36

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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.