Home / 16,190.77-22,343.70-9,117.45

Finding the Fourth Proportional to 16,190.77, 22,343.70 and 9,117.45

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Solution

The fourth proportional to 16,190.77, 22,343.70 and 9,117.45 is: 12,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.77 : 22,343.70 = 9,117.45 : x
  2. Step 2: Convert to fraction form
    16,190.77/22,343.70 = 9,117.45/x
  3. Step 3: Cross multiply
    16,190.77x = 22,343.70 × 9,117.45
  4. Step 4: Simplify right side
    16,190.77x = 203,717,567.57
  5. Step 5: Solve for x
    x = 203,717,567.57/16,190.77
  6. Step 6: Final answer
    x = 12,582.33

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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.