Home / 16,161.28-22,303.74-9,874.84

Finding the Fourth Proportional to 16,161.28, 22,303.74 and 9,874.84

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Solution

The fourth proportional to 16,161.28, 22,303.74 and 9,874.84 is: 13,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,161.28 : 22,303.74 = 9,874.84 : x
  2. Step 2: Convert to fraction form
    16,161.28/22,303.74 = 9,874.84/x
  3. Step 3: Cross multiply
    16,161.28x = 22,303.74 × 9,874.84
  4. Step 4: Simplify right side
    16,161.28x = 220,245,863.90
  5. Step 5: Solve for x
    x = 220,245,863.90/16,161.28
  6. Step 6: Final answer
    x = 13,628.00

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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.