Home / 22,503.75-31,055.18-13,072.92

Finding the Fourth Proportional to 22,503.75, 31,055.18 and 13,072.92

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Solution

The fourth proportional to 22,503.75, 31,055.18 and 13,072.92 is: 18,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.75 : 31,055.18 = 13,072.92 : x
  2. Step 2: Convert to fraction form
    22,503.75/31,055.18 = 13,072.92/x
  3. Step 3: Cross multiply
    22,503.75x = 31,055.18 × 13,072.92
  4. Step 4: Simplify right side
    22,503.75x = 405,981,818.36
  5. Step 5: Solve for x
    x = 405,981,818.36/22,503.75
  6. Step 6: Final answer
    x = 18,040.63

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Half scale
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Double scale
Find fourth proportional to 22,504.75, 31,056.56 and 13,073.92
Similar ratio
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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.