Home / 19,647.32-27,115.08-12,095.60

Finding the Fourth Proportional to 19,647.32, 27,115.08 and 12,095.60

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Solution

The fourth proportional to 19,647.32, 27,115.08 and 12,095.60 is: 16,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.32 : 27,115.08 = 12,095.60 : x
  2. Step 2: Convert to fraction form
    19,647.32/27,115.08 = 12,095.60/x
  3. Step 3: Cross multiply
    19,647.32x = 27,115.08 × 12,095.60
  4. Step 4: Simplify right side
    19,647.32x = 327,973,161.65
  5. Step 5: Solve for x
    x = 327,973,161.65/19,647.32
  6. Step 6: Final answer
    x = 16,693.02

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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.