Home / 14,255.18-21,382.77-6,355.65

Finding the Fourth Proportional to 14,255.18, 21,382.77 and 6,355.65

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Solution

The fourth proportional to 14,255.18, 21,382.77 and 6,355.65 is: 9,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.18 : 21,382.77 = 6,355.65 : x
  2. Step 2: Convert to fraction form
    14,255.18/21,382.77 = 6,355.65/x
  3. Step 3: Cross multiply
    14,255.18x = 21,382.77 × 6,355.65
  4. Step 4: Simplify right side
    14,255.18x = 135,901,402.15
  5. Step 5: Solve for x
    x = 135,901,402.15/14,255.18
  6. Step 6: Final answer
    x = 9,533.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.