Home / 16,355.12-22,573.02-9,640.36

Finding the Fourth Proportional to 16,355.12, 22,573.02 and 9,640.36

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Solution

The fourth proportional to 16,355.12, 22,573.02 and 9,640.36 is: 13,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.12 : 22,573.02 = 9,640.36 : x
  2. Step 2: Convert to fraction form
    16,355.12/22,573.02 = 9,640.36/x
  3. Step 3: Cross multiply
    16,355.12x = 22,573.02 × 9,640.36
  4. Step 4: Simplify right side
    16,355.12x = 217,612,039.09
  5. Step 5: Solve for x
    x = 217,612,039.09/16,355.12
  6. Step 6: Final answer
    x = 13,305.44

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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.