Home / 23,386.72-32,272.44-12,776.20

Finding the Fourth Proportional to 23,386.72, 32,272.44 and 12,776.20

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Solution

The fourth proportional to 23,386.72, 32,272.44 and 12,776.20 is: 17,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,386.72 : 32,272.44 = 12,776.20 : x
  2. Step 2: Convert to fraction form
    23,386.72/32,272.44 = 12,776.20/x
  3. Step 3: Cross multiply
    23,386.72x = 32,272.44 × 12,776.20
  4. Step 4: Simplify right side
    23,386.72x = 412,319,147.93
  5. Step 5: Solve for x
    x = 412,319,147.93/23,386.72
  6. Step 6: Final answer
    x = 17,630.48

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Half 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.