Home / 22,769.80-31,404.18-16,840.60

Finding the Fourth Proportional to 22,769.80, 31,404.18 and 16,840.60

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Solution

The fourth proportional to 22,769.80, 31,404.18 and 16,840.60 is: 23,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.80 : 31,404.18 = 16,840.60 : x
  2. Step 2: Convert to fraction form
    22,769.80/31,404.18 = 16,840.60/x
  3. Step 3: Cross multiply
    22,769.80x = 31,404.18 × 16,840.60
  4. Step 4: Simplify right side
    22,769.80x = 528,865,233.71
  5. Step 5: Solve for x
    x = 528,865,233.71/22,769.80
  6. Step 6: Final answer
    x = 23,226.61

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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.