Home / 16,079.81-22,190.81-9,364.35

Finding the Fourth Proportional to 16,079.81, 22,190.81 and 9,364.35

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Solution

The fourth proportional to 16,079.81, 22,190.81 and 9,364.35 is: 12,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,079.81 : 22,190.81 = 9,364.35 : x
  2. Step 2: Convert to fraction form
    16,079.81/22,190.81 = 9,364.35/x
  3. Step 3: Cross multiply
    16,079.81x = 22,190.81 × 9,364.35
  4. Step 4: Simplify right side
    16,079.81x = 207,802,535.03
  5. Step 5: Solve for x
    x = 207,802,535.03/16,079.81
  6. Step 6: Final answer
    x = 12,923.20

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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.