Home / 16,409.16-22,645.62-12,423.96

Finding the Fourth Proportional to 16,409.16, 22,645.62 and 12,423.96

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Solution

The fourth proportional to 16,409.16, 22,645.62 and 12,423.96 is: 17,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.16 : 22,645.62 = 12,423.96 : x
  2. Step 2: Convert to fraction form
    16,409.16/22,645.62 = 12,423.96/x
  3. Step 3: Cross multiply
    16,409.16x = 22,645.62 × 12,423.96
  4. Step 4: Simplify right side
    16,409.16x = 281,348,277.06
  5. Step 5: Solve for x
    x = 281,348,277.06/16,409.16
  6. Step 6: Final answer
    x = 17,145.81

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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.