Home / 16,128.04-22,257.38-9,054.28

Finding the Fourth Proportional to 16,128.04, 22,257.38 and 9,054.28

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Solution

The fourth proportional to 16,128.04, 22,257.38 and 9,054.28 is: 12,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.04 : 22,257.38 = 9,054.28 : x
  2. Step 2: Convert to fraction form
    16,128.04/22,257.38 = 9,054.28/x
  3. Step 3: Cross multiply
    16,128.04x = 22,257.38 × 9,054.28
  4. Step 4: Simplify right side
    16,128.04x = 201,524,550.59
  5. Step 5: Solve for x
    x = 201,524,550.59/16,128.04
  6. Step 6: Final answer
    x = 12,495.29

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Double scale
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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.