Home / 16,190.73-22,343.67-9,117.45

Finding the Fourth Proportional to 16,190.73, 22,343.67 and 9,117.45

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Solution

The fourth proportional to 16,190.73, 22,343.67 and 9,117.45 is: 12,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.73 : 22,343.67 = 9,117.45 : x
  2. Step 2: Convert to fraction form
    16,190.73/22,343.67 = 9,117.45/x
  3. Step 3: Cross multiply
    16,190.73x = 22,343.67 × 9,117.45
  4. Step 4: Simplify right side
    16,190.73x = 203,717,294.04
  5. Step 5: Solve for x
    x = 203,717,294.04/16,190.73
  6. Step 6: Final answer
    x = 12,582.34

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Half scale
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Double scale
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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.