Home / 12,074.08-18,111.12-9,473.44

Finding the Fourth Proportional to 12,074.08, 18,111.12 and 9,473.44

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Solution

The fourth proportional to 12,074.08, 18,111.12 and 9,473.44 is: 14,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.08 : 18,111.12 = 9,473.44 : x
  2. Step 2: Convert to fraction form
    12,074.08/18,111.12 = 9,473.44/x
  3. Step 3: Cross multiply
    12,074.08x = 18,111.12 × 9,473.44
  4. Step 4: Simplify right side
    12,074.08x = 171,574,608.65
  5. Step 5: Solve for x
    x = 171,574,608.65/12,074.08
  6. Step 6: Final answer
    x = 14,210.16

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Half scale
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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.