Home / 19,672.08-27,147.12-10,719.66

Finding the Fourth Proportional to 19,672.08, 27,147.12 and 10,719.66

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Solution

The fourth proportional to 19,672.08, 27,147.12 and 10,719.66 is: 14,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.08 : 27,147.12 = 10,719.66 : x
  2. Step 2: Convert to fraction form
    19,672.08/27,147.12 = 10,719.66/x
  3. Step 3: Cross multiply
    19,672.08x = 27,147.12 × 10,719.66
  4. Step 4: Simplify right side
    19,672.08x = 291,007,896.38
  5. Step 5: Solve for x
    x = 291,007,896.38/19,672.08
  6. Step 6: Final answer
    x = 14,792.94

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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.