Home / 19,851.73-27,396.12-10,899.16

Finding the Fourth Proportional to 19,851.73, 27,396.12 and 10,899.16

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Solution

The fourth proportional to 19,851.73, 27,396.12 and 10,899.16 is: 15,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.73 : 27,396.12 = 10,899.16 : x
  2. Step 2: Convert to fraction form
    19,851.73/27,396.12 = 10,899.16/x
  3. Step 3: Cross multiply
    19,851.73x = 27,396.12 × 10,899.16
  4. Step 4: Simplify right side
    19,851.73x = 298,594,667.64
  5. Step 5: Solve for x
    x = 298,594,667.64/19,851.73
  6. Step 6: Final answer
    x = 15,041.24

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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.