Home / 16,472.26-22,724.45-12,945.72

Finding the Fourth Proportional to 16,472.26, 22,724.45 and 12,945.72

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Solution

The fourth proportional to 16,472.26, 22,724.45 and 12,945.72 is: 17,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.26 : 22,724.45 = 12,945.72 : x
  2. Step 2: Convert to fraction form
    16,472.26/22,724.45 = 12,945.72/x
  3. Step 3: Cross multiply
    16,472.26x = 22,724.45 × 12,945.72
  4. Step 4: Simplify right side
    16,472.26x = 294,184,435.89
  5. Step 5: Solve for x
    x = 294,184,435.89/16,472.26
  6. Step 6: Final answer
    x = 17,859.38

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Double scale
Find fourth proportional to 16,473.26, 22,725.83 and 12,946.72
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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.