Home / 22,319.16-30,800.35-12,247.77

Finding the Fourth Proportional to 22,319.16, 30,800.35 and 12,247.77

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Solution

The fourth proportional to 22,319.16, 30,800.35 and 12,247.77 is: 16,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.16 : 30,800.35 = 12,247.77 : x
  2. Step 2: Convert to fraction form
    22,319.16/30,800.35 = 12,247.77/x
  3. Step 3: Cross multiply
    22,319.16x = 30,800.35 × 12,247.77
  4. Step 4: Simplify right side
    22,319.16x = 377,235,448.72
  5. Step 5: Solve for x
    x = 377,235,448.72/22,319.16
  6. Step 6: Final answer
    x = 16,901.87

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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.