Home / 16,219.85-22,370.42-11,182.93

Finding the Fourth Proportional to 16,219.85, 22,370.42 and 11,182.93

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Solution

The fourth proportional to 16,219.85, 22,370.42 and 11,182.93 is: 15,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.85 : 22,370.42 = 11,182.93 : x
  2. Step 2: Convert to fraction form
    16,219.85/22,370.42 = 11,182.93/x
  3. Step 3: Cross multiply
    16,219.85x = 22,370.42 × 11,182.93
  4. Step 4: Simplify right side
    16,219.85x = 250,166,812.96
  5. Step 5: Solve for x
    x = 250,166,812.96/16,219.85
  6. Step 6: Final answer
    x = 15,423.50

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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.