Home / 28,632.96-42,952.32-9,910.44

Finding the Fourth Proportional to 28,632.96, 42,952.32 and 9,910.44

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Solution

The fourth proportional to 28,632.96, 42,952.32 and 9,910.44 is: 14,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.96 : 42,952.32 = 9,910.44 : x
  2. Step 2: Convert to fraction form
    28,632.96/42,952.32 = 9,910.44/x
  3. Step 3: Cross multiply
    28,632.96x = 42,952.32 × 9,910.44
  4. Step 4: Simplify right side
    28,632.96x = 425,676,390.22
  5. Step 5: Solve for x
    x = 425,676,390.22/28,632.96
  6. Step 6: Final answer
    x = 14,866.66

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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.