Home / 16,113.57-22,221.85-10,739.02

Finding the Fourth Proportional to 16,113.57, 22,221.85 and 10,739.02

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Solution

The fourth proportional to 16,113.57, 22,221.85 and 10,739.02 is: 14,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,113.57 : 22,221.85 = 10,739.02 : x
  2. Step 2: Convert to fraction form
    16,113.57/22,221.85 = 10,739.02/x
  3. Step 3: Cross multiply
    16,113.57x = 22,221.85 × 10,739.02
  4. Step 4: Simplify right side
    16,113.57x = 238,640,891.59
  5. Step 5: Solve for x
    x = 238,640,891.59/16,113.57
  6. Step 6: Final answer
    x = 14,809.93

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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.