Home / 28,523.34-42,791.49-10,994.13

Finding the Fourth Proportional to 28,523.34, 42,791.49 and 10,994.13

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Solution

The fourth proportional to 28,523.34, 42,791.49 and 10,994.13 is: 16,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.34 : 42,791.49 = 10,994.13 : x
  2. Step 2: Convert to fraction form
    28,523.34/42,791.49 = 10,994.13/x
  3. Step 3: Cross multiply
    28,523.34x = 42,791.49 × 10,994.13
  4. Step 4: Simplify right side
    28,523.34x = 470,455,203.95
  5. Step 5: Solve for x
    x = 470,455,203.95/28,523.34
  6. Step 6: Final answer
    x = 16,493.69

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Half scale
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Double scale
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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.